The ITIS Logo The Search Results banner for the ITIS Data pages

Publication: Flora of North America Editorial Committee, eds. 2007. Flora of North America North of Mexico, vol. 27: Bryophyta: Mosses, part 1. 734.

ITIS records citing this publication
 
 Kingdom Plantae
  Acaulon Müll. Hal. -- accepted
  Acaulon megalosporum Grout -- not accepted
  Acaulon muticum (Hedw.) Müll. Hal. -- accepted
  Acaulon muticum var. muticum (Hedw.) Müll. Hal. -- accepted
  Acaulon muticum var. rufescens (A. Jaeger) H.A. Crum -- accepted
  Acaulon rufescens A. Jaeger -- not accepted
  Acaulon runyonii Grout -- not accepted
  Acaulon schimperianum (Sull.) Sull. -- accepted -- Schimper's acaulon moss
  Acaulon triquetrum (Spruce) Müll. Hal. -- accepted
  Aloina Kindb. -- accepted
  Aloina aloides (Koch ex Schultz) Kindb. -- accepted
  Aloina aloides var. ambigua (Bruch & Schimp.) E.J. Craig -- accepted -- ambiguous aloina moss
  Aloina bifrons (De Not.) Delgad. -- accepted
  Aloina brevirostris (Hook. & Grev.) Kindb. -- accepted
  Aloina hamulus (Müll. Hal.) Broth. -- accepted
  Aloina pilifera (De Not.) H.A. Crum & Steere -- not accepted
  Aloina rigida (Hedw.) Limpr. -- accepted -- rigid aloina moss
  Aloina rigida var. pilifera (De Not.) Limpr. -- not accepted
  Aloina rigida var. rigida (Hedw.) Limpr. -- accepted
  Anacalypta starckeana var. brachyodus Bruch & Schimp. -- not accepted
  Andreaea Hedw. -- accepted
  Andreaea alpestris (Thed.) Schimp. -- not accepted
  Andreaea alpina Hedw. -- accepted
  Andreaea baileyi (Holz.) Holz. -- not accepted
  Andreaea blyttii Schimp. -- accepted -- Blytt's andreaea moss
  Andreaea blyttii ssp. angustata (Lindb. ex Limpr.) W. Schultze-Motel -- not accepted
  Andreaea blyttii var. obtusifolia (Berggr.) Sharp -- not accepted
  Andreaea crassinervia Bruch -- not accepted
  Andreaea crassinervia var. obtusifolia Berggr. -- not accepted
  Andreaea heinemannii Hampe & Müll. Hal. -- accepted -- Heinemann's andreaea moss
  Andreaea huntii Limpr. -- not accepted
  Andreaea macounii Kindb. -- not accepted
  Andreaea megistospora B.M. Murray -- accepted
  Andreaea megistospora ssp. epapillosa B.M. Murray -- not accepted
  Andreaea megistospora var. epapillosa (B.M. Murray) H.A. Crum & L.E. Anderson -- not accepted
  Andreaea mutabilis Hook. f. & Wilson -- accepted
  Andreaea nivalis Hook. -- accepted
  Andreaea nivalis var. baileyi Holz. -- not accepted
  Andreaea obovata Thed. -- accepted -- obovate andreaea moss
  Andreaea papillosa Lindb. -- not accepted
  Andreaea parvifolia Müll. Hal. -- not accepted
  Andreaea rothii F. Weber & D. Mohr -- accepted -- Roth's andreaea moss
  Andreaea rothii var. crassinervia (Bruch) Mönk. -- not accepted
  Andreaea rupestris Hedw. -- accepted
  Andreaea rupestris var. acuminata (Schimp.) Sharp -- not accepted
  Andreaea rupestris var. alpestris (Thed.) Sharp -- not accepted
  Andreaea rupestris var. papillosa (Lindb.) Podp. -- not accepted
  Andreaea rupestris var. sparsifolia (J.E. Zetterst.) Sharp -- not accepted
  Andreaea schofieldiana B.M. Murray -- accepted -- Schofield's andreaea moss
  Andreaea sinuosa B.M. Murray -- accepted
  Andreaea sparsifolia var. sublaevis Kindb. -- not accepted
  Andreaeaceae -- accepted
  Andreaeobryaceae -- accepted
  Andreaeobryum Steere & B.M. Murray -- accepted
  Andreaeobryum macrosporum Steere & B.M. Murray -- accepted -- big spore andreaeobryum moss
  Anictangium flaccidum De Not. -- not accepted
  Anisothecium Mitt. -- not accepted
  Anisothecium crispum (Hedw.) Lindb. -- not accepted
  Anisothecium grevilleanum (Brid.) Arnell & C.E.O. Jensen -- not accepted
  Anisothecium rubrum Lindb. -- not accepted
  Anisothecium schreberianum (Hedw.) Dixon -- not accepted
  Anisothecium schreberianum var. elatum (Schimp.) Wijk & Margad. -- not accepted
  Anisothecium vaginale (Dicks. ex With.) Loeske -- not accepted
  Anisothecium varium (Hedw.) Mitt. -- not accepted
  Anoectangium Schwägr. -- accepted
  Anoectangium aestivum (Hedw.) Mitt. -- accepted
  Anoectangium arizonicum E.B. Bartram -- not accepted
  Anoectangium compactum Schwägr. -- not accepted
  Anoectangium domingense Spreng. -- not accepted
  Anoectangium euchloron (Schwägr.) Mitt. -- not accepted
  Anoectangium handelii Schiffn. -- not accepted
  Anoectangium incurvans (Schimp.) E.B. Bartram -- not accepted
  Anoectangium obtusifolium (Broth. & Paris) Grout -- not accepted
  Anoectangium peckii (Sull.) Sull. ex Austin -- not accepted
  Anoectangium sendtnerianum Bruch & Schimp. -- not accepted
  Anoectangium sendtnerianum var. tenuinerve (Limpr.) Mönk. -- not accepted
  Anoectangium stracheyanum Mitt. -- accepted
  Anoectangium tenuinerve (Limpr.) Paris -- not accepted
  Anomodon californicus Lesq. -- not accepted
  Aongstroemia Bruch & Schimp. -- accepted
  Aongstroemia longipes (Sommerf.) Bruch & Schimp. -- accepted
  Aphanorrhegma Sull. -- accepted
  Aphanorrhegma patens (Hedw.) Lindb. -- not accepted
  Aphanorrhegma serratum (Hook. & Wilson) Sull. -- accepted -- serrate aphanorrhegma moss
  Archidiaceae -- accepted
  Archidium Brid. -- accepted
  Archidium alternifolium (Dicks. ex Hedw.) Schimp. -- accepted -- alternateleaf archidium moss
  Archidium donnellii Austin -- accepted -- Donnell's archidium moss
  Archidium floridanum Austin -- not accepted
  Archidium hallii Austin -- accepted -- Hall's archidium moss
  Archidium hallii var. minus Renauld & Cardot -- not accepted
  Archidium longifolium Lesq. & James -- not accepted
  Archidium minus (Renauld & Cardot) Snider -- accepted -- small archidium moss
  Archidium ohioense Schimp. ex Müll. Hal. -- accepted -- Ohio archidium moss
  Archidium ohioense var. donnellii (Austin) Lesq. & James -- not accepted
  Archidium ravenelii Austin -- not accepted
  Archidium tenerrimum Mitt. -- accepted
  Arctoa Bruch & Schimp. -- accepted
  Arctoa anderssonii Wich. -- accepted -- Andersson's arctoa moss
  Arctoa blyttii (Bruch & Schimp.) Loeske -- not accepted
  Arctoa blyttii var. hispidula (R.S. Williams) Grout -- not accepted
  Arctoa falcata (Hedw.) Loeske -- not accepted
  Arctoa fulvella (Dicks.) Bruch & Schimp. -- accepted
  Arctoa fulvella var. anderssonii (Wich.) Grout -- not accepted
  Arctoa hyperborea (Gunnerus ex With.) Bruch & Schimp. -- accepted
  Arctoa starkei (F. Weber & D. Mohr) Loeske -- not accepted
  Aschisma Lindb. -- accepted
  Aschisma kansanum A.L. Andrews -- accepted -- Kansas aschisma moss
  Astomum Hampe -- not accepted
  Astomum ludovicianum (Sull.) Sull. -- not accepted
  Astomum muhlenbergianum (Sw.) Grout -- not accepted
  Astomum occidentale Flowers -- not accepted -- western astomum moss
  Astomum palustre (Bruch & Schimp.) Hampe -- not accepted
  Astomum phascoides (Hook.) Grout -- not accepted
  Atractylocarpus costaricensis (Müll. Hal.) R.S. Williams -- not accepted
  Atractylocarpus flagellaceus (Müll. Hal.) R.S. Williams -- not accepted
  Atractylocarpus stenocarpus (Wilson) R.H. Zander -- not accepted
  Atrichum P. Beauv. -- accepted
  Atrichum altecristatum (Renauld & Cardot) Smyth & L.C.R. Smyth -- accepted
  Atrichum angustatum (Brid.) Bruch & Schimp. -- accepted
  Atrichum angustatum var. plurilamellatum (Jenn.) Frye -- not accepted
  Atrichum crispulum Schimp. ex Besch. -- accepted
  Atrichum crispum (James) Sull. -- accepted
  Atrichum cylindricum (Willd. ex F. Weber) G.L. Sm. -- accepted -- cylindrical atrichum moss
  Atrichum flavisetum Mitt. -- accepted
  Atrichum haussknechtii Jur. & Milde -- not accepted -- Haussknecht's atrichum moss
  Atrichum leiophyllum Kindb. -- not accepted
  Atrichum lescurii James -- not accepted
  Atrichum macmillanii (Holz.) Frye -- not accepted
  Atrichum papillosum (Jenn.) Frye -- not accepted
  Atrichum parallelum Mitt. -- not accepted
  Atrichum rosulatum Müll. Hal. & Kindb. -- not accepted
  Atrichum selwynii Austin -- accepted -- Selwyn's atrichum moss
  Atrichum selwynii var. altecristatum (Renauld & Cardot) Nyholm -- not accepted
  Atrichum tenellum (Röhl.) Bruch & Schimp. -- accepted
  Atrichum undulatum (Hedw.) P. Beauv. -- accepted -- undulate atrichum moss
  Atrichum undulatum var. alleghaniense (Jenn.) Jenn. -- not accepted
  Atrichum undulatum var. altecristatum Renauld & Cardot -- not accepted
  Atrichum undulatum var. attenuatum Bruch & Schimp. -- not accepted
  Atrichum undulatum var. gracilisetum Besch. -- not accepted
  Atrichum undulatum var. haussknechtii (Jur. & Milde) Frye -- not accepted
  Atrichum xanthopelma (Müll. Hal.) A. Jaeger -- not accepted
  Aulacopilum Wilson -- accepted
  Barbula Hedw. -- accepted
  Barbula acuta (Brid.) Brid. -- not accepted
  Barbula acuta var. icmadophila (Schimp. ex Müll. Hal.) H.A. Crum -- not accepted
  Barbula agraria Hedw. -- not accepted
  Barbula aloides (Koch ex Schultz) Bruch -- not accepted
  Barbula ambigua Bruch & Schimp. -- not accepted
  Barbula amphidiacea Müll. Hal. -- not accepted
  Barbula amplexa Lesq. -- not accepted
  Barbula amplexifolia (Mitt.) A. Jaeger -- accepted
  Barbula andreaeoides Kindb. -- not accepted
  Barbula anomala Bruch & Schimp. -- not accepted
  Barbula anserinocapitata X.J. Li -- not accepted
  Barbula asperifolia Mitt. -- not accepted
  Barbula aurea (E.B. Bartram) R.H. Zander -- not accepted
  Barbula bakeri Cardot & Thér. -- not accepted
  Barbula bolanderi Lesq. -- not accepted
  Barbula bolleana (Müll. Hal.) Broth. -- accepted
  Barbula brachyphylla Sull. -- not accepted
  Barbula brevipes Lesq. -- not accepted
  Barbula caespitosa Schwägr. -- not accepted
  Barbula cancellata Müll. Hal. -- not accepted
  Barbula carnifolia Müll. Hal. & Kindb. -- not accepted
  Barbula chrysopoda Müll. Hal. & Kindb. -- not accepted
  Barbula circinnatula Müll. Hal. & Kindb. -- not accepted
  Barbula closteri Austin -- not accepted
  Barbula convoluta Hedw. -- accepted -- convoluted barbula moss
  Barbula convoluta var. convoluta Hedw. -- not accepted -- convoluted barbula moss
  Barbula convoluta var. eustegia (Cardot & Thér.) R.H. Zander -- not accepted
  Barbula convoluta var. gallinula R.H. Zander -- not accepted -- convoluted barbula moss
  Barbula convoluta var. obtusata Müll. Hal. & Kindb. -- not accepted
  Barbula coreensis (Cardot) K. Saito -- not accepted
  Barbula crinita Schultz -- not accepted
  Barbula cruegeri Sond. ex Müll. Hal. -- not accepted
  Barbula cylindrica (Taylor) Schimp. -- not accepted
  Barbula ditrichoides Broth. -- not accepted
  Barbula ehrenbergii (Lorentz) M. Fleisch. -- not accepted -- Ehrenberg's barbula moss
  Barbula eustegia Cardot & Thér. -- not accepted
  Barbula fallax Hedw. -- not accepted
  Barbula ferruginascens Stirt. -- not accepted
  Barbula ferruginea Schimp. ex Besch. -- not accepted
  Barbula flexifolia Hampe -- not accepted
  Barbula gigantea Funck -- not accepted
  Barbula hamulus Müll. Hal. -- not accepted
  Barbula haringae H.A. Crum -- not accepted
  Barbula hornschuchiana Schultz -- not accepted
  Barbula horridifolia Müll. Hal. & Kindb. -- not accepted
  Barbula humilis Hedw. -- not accepted
  Barbula icmadophila Schimp. ex Müll. Hal. -- not accepted
  Barbula inaequalifolia Taylor -- not accepted
  Barbula inclinata (R. Hedw.) Schwägr. -- not accepted
  Barbula inclinata var. densa Lorentz & Molendo -- not accepted
  Barbula inclinatula Müll. Hal. & Kindb. -- not accepted
  Barbula indica (Hook.) Spreng. -- accepted
  Barbula indica var. gregaria (Mitt.) R.H. Zander -- accepted
  Barbula indica var. indica (Hook.) Spreng. -- accepted
  Barbula johansenii R.S. Williams -- not accepted
  Barbula lateritia Kindb. -- not accepted
  Barbula leucostoma R. Br. -- not accepted
  Barbula macrotricha Cardot & Thér. -- not accepted
  Barbula maschalogena Renauld & Cardot -- not accepted
  Barbula maxima Syed & Crundw. -- not accepted
  Barbula melanocarpa Müll. Hal. & Kindb. -- not accepted
  Barbula michiganensis Steere -- not accepted
  Barbula nigrescens Mitt. -- not accepted
  Barbula obtusifolia Schwägr. -- not accepted
  Barbula obtusissima Müll. Hal. -- not accepted
  Barbula obtusula Lindb. -- not accepted
  Barbula olivacea (Besch. ex Mitt.) Besch. -- not accepted
  Barbula orizabensis Müll. Hal. -- accepted
  Barbula papillosissima Copp. -- not accepted
  Barbula perobtusa (Broth.) P.C. Chen -- not accepted
  Barbula platyneura Müll. Hal. & Kindb. -- not accepted
  Barbula pringlei Cardot -- not accepted
  Barbula pseudorigidula Kindb. -- not accepted
  Barbula recurvirostris var. latinervia Holmen -- not accepted
  Barbula reflexa (Brid.) Brid. -- not accepted
  Barbula reflexa var. robusta Braithw. -- not accepted
  Barbula replicata Taylor -- not accepted
  Barbula rigida Hedw. -- not accepted
  Barbula rigidula (Hedw.) Milde -- not accepted
  Barbula robusta (Hook. & Grev.) Brid. -- not accepted
  Barbula robustifolia Müll. Hal. & Kindb. -- not accepted
  Barbula rubiginosa Mitt. -- not accepted
  Barbula rufofusca E. Lawton & F.J. Herm. -- not accepted
  Barbula ruralis Hedw. -- not accepted
  Barbula ruralis var. hirsuta Venturi -- not accepted
  Barbula semitorta Sull. -- not accepted
  Barbula sinensis Müll. Hal. -- not accepted
  Barbula spiralis Schimp. -- not accepted
  Barbula sprengelii Schwägr. -- not accepted
  Barbula squamifera Viv. -- not accepted
  Barbula subandreaeoides Kindb. -- not accepted
  Barbula subcylindrica Broth. -- not accepted
  Barbula subgracilis Müll. Hal. & Kindb. -- not accepted
  Barbula subicmadophila Müll. Hal. & Kindb. -- not accepted
  Barbula tectorum Müll. Hal. -- not accepted
  Barbula tophacea (Brid.) Mitt. -- not accepted
  Barbula tortellifolia Müll. Hal. & Kindb. -- not accepted
  Barbula tortuosa var. fragilifolia Jur. -- not accepted
  Barbula treleasii Cardot & Thér. -- not accepted
  Barbula umbrosa Müll. Hal. -- not accepted
  Barbula unguiculata Hedw. -- accepted
  Barbula unguiculata var. apiculata (Hedw.) Bruch & Schimp. -- not accepted
  Barbula vinealis Brid. -- not accepted
  Barbula vinealis var. flaccida Bruch & Schimp. -- not accepted
  Barbula virescens Lesq. -- not accepted
  Barbula waghornei Kindb. -- not accepted
  Barbula whitehouseae H.A. Crum -- not accepted
  Barbula wollei Austin -- not accepted
  Bartleya ohioensis H. Rob. -- not accepted
  Bartramiopsis Kindb. -- accepted
  Bartramiopsis lescurii (James) Kindb. -- accepted -- Lescur's bartramiopsis moss
  Bellibarbula P.C. Chen -- accepted
  Bellibarbula recurva (Griff.) R.H. Zander -- accepted
  Blindia Bruch & Schimp. -- accepted
  Blindia acuta (Hedw.) Bruch & Schimp. -- accepted -- acute blindia moss
  Brachydontium Fürnr. -- accepted
  Brachydontium olympicum (E. Britton) T.T. McIntosh & J.R. Spence -- accepted -- Olympic brachydontium moss
  Brachydontium trichodes (F. Weber) Fürnr. -- accepted
  Brachysteleum serratum (Bruch & Schimp.) Müll. Hal. -- not accepted
  Brothera Müll. Hal. -- accepted
  Brothera leana (Sull.) Müll. Hal. -- accepted
  Bruchia Schwägr. -- accepted
  Bruchia bolanderi Lesq. -- accepted -- Bolander's bruchia moss
  Bruchia brevicollis Lesq. & James -- not accepted
  Bruchia brevifolia Sull. -- accepted -- shortleaf bruchia moss
  Bruchia carolinae Austin -- accepted -- Carolina bruchia moss
  Bruchia curviseta Lesq. & James -- not accepted
  Bruchia donnellii Austin -- not accepted
  Bruchia drummondii Hampe ex E. Britton -- accepted -- Drummond's bruchia moss
  Bruchia flexuosa (Schwägr.) Müll. Hal. -- accepted
  Bruchia fusca E. Britton -- accepted
  Bruchia hallii Austin -- accepted -- Hall's bruchia moss
  Bruchia longicollis D.C. Eaton -- not accepted
  Bruchia palustris (Bruch & Schimp.) Müll. Hal. -- not accepted
  Bruchia ravenelii Wilson ex Sull. -- accepted -- Ravenel's bruchia moss
  Bruchia ravenelii var. mollis Lesq. & James -- not accepted
  Bruchia sullivantii Austin -- not accepted
  Bruchia texana Austin -- accepted -- Texas bruchia moss
  Bruchia vogesiaca Schwägr. -- accepted
  Bruchiaceae -- accepted
  Bryobrittonia R.S. Williams -- accepted
  Bryobrittonia longipes (Mitt.) D.G. Horton -- accepted
  Bryobrittonia pellucida R.S. Williams -- not accepted
  Bryoerythrophyllum P.C. Chen -- accepted
  Bryoerythrophyllum columbianum (F.J. Herm. & E. Lawton) R.H. Zander -- accepted -- Columbian bryoerythrophyllum moss
  Bryoerythrophyllum ferruginascens (Stirt.) Giacom. -- accepted
  Bryoerythrophyllum inaequalifolium (Taylor) R.H. Zander -- accepted -- unequal leaf bryoerythrophyllum moss
  Bryoerythrophyllum recurvifolium (Taylor) R.H. Zander -- not accepted
  Bryoerythrophyllum recurvirostrum (Hedw.) P.C. Chen -- accepted
  Bryoerythrophyllum recurvirostrum var. dentatum (Schimp.) H.A. Crum, Steere & L.E. Anderson -- not accepted
  Bryoerythrophyllum recurvirostrum var. latinervium (Holmen) B.M. Murray -- not accepted
  Bryoerythrophyllum recurvum (Griff.) K. Saito -- not accepted -- recurved bryoerythrophyllum moss
  Bryoxiphiaceae -- accepted
  Bryoxiphium Mitt. -- accepted
  Bryoxiphium norvegicum (Brid.) Mitt. -- accepted -- Norway bryoxiphium moss
  Bryum attenuatum Dicks. -- not accepted
  Bryum canescens (Hedw.) Hoffm. ex With. -- not accepted
  Bryum crispatum Dicks. ex With. -- not accepted
  Bryum cuneifolium Dicks. -- not accepted
  Bryum ericoides Dicks. -- not accepted
  Bryum flavescens Dicks. ex With. -- not accepted
  Bryum flexifolium Dicks. -- not accepted
  Bryum fulvellum Dicks. -- not accepted
  Bryum griffithianum Dicks. -- not accepted
  Bryum heterostichum (Hedw.) Dicks. -- not accepted
  Bryum hyperboreum Gunnerus ex With. -- not accepted
  Bryum nudum Dicks. -- not accepted
  Bryum palustre Dicks. -- not accepted
  Bryum parasiticum Sw. ex Brid. -- not accepted
  Bryum recurvifolium Taylor -- not accepted
  Bryum rufescens With. -- not accepted
  Bryum vaginale Dicks. ex With. -- not accepted
  Bucklandia Roiv. -- not accepted
  Bucklandiella Roiv. -- accepted
  Bucklandiella affinis (Schleich. ex F. Weber & D. Mohr) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella afoninae (Frisvoll) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella brevipes (Kindb.) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella heterosticha (Hedw.) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella lawtoniae (Ireland) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella macounii (Kindb.) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella macounii ssp. alpinum (E. Lawton) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella macounii ssp. macounii (Kindb.) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella microcarpa (Hedw.) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella obesa (Frisvoll) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella occidentalis (Renauld & Cardot) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella pacifica (Ireland & J.R. Spence) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella sudetica (Funck) Bedn.-Ochyra & Ochyra -- accepted
  Bucklandiella venusta (Frisvoll) Bedn.-Ochyra & Ochyra -- accepted
  Buxbaumia Hedw. -- accepted
  Buxbaumia aphylla Hedw. -- accepted
  Buxbaumia aphylla var. viridis DC. -- not accepted
  Buxbaumia foliosa Hedw. -- not accepted
  Buxbaumia indusiata Brid. -- not accepted
  Buxbaumia minakatae S. Okamura -- accepted
  Buxbaumia piperi Best -- accepted -- Piper's buxbaumia moss
  Buxbaumia subcylindrica Grout -- not accepted
  Buxbaumia viridis (DC.) Moug. & Nestl. -- accepted
  Buxbaumiaceae -- accepted
  Calymperaceae -- accepted
  Calymperes Sw. ex F. Weber -- accepted
  Calymperes afzelii Sw. -- accepted -- Afzel's calymperes moss
  Calymperes brittoniae Besch. -- not accepted
  Calymperes crispum Austin -- not accepted
  Calymperes donnellii Austin -- not accepted
  Calymperes emersum Müll. Hal. -- not accepted
  Calymperes erosum Müll. Hal. -- accepted
  Calymperes filigerum Austin -- not accepted
  Calymperes nashii R.S. Williams -- not accepted
  Calymperes palisotii Schwägr. -- accepted -- Palisot's calymperes moss
  Calymperes palisotii ssp. richardii (Müll. Hal.) S.R. Edwards -- not accepted
  Calymperes pallidum Mitt. -- accepted
  Calymperes richardii Müll. Hal. -- not accepted
  Calymperes tenerum Müll. Hal. -- accepted
  Calymperes tenerum var. edamense M. Fleisch. -- not accepted
  Calymperopsis parasitica (Sw. ex Brid.) Broth. -- not accepted
  Campylopodiella Cardot -- accepted
  Campylopodiella flagellacea (Müll. Hal.) J.-P. Frahm & Isov. -- accepted
  Campylopodiella stenocarpa (Wilson) P. Müll. & J.-P. Frahm -- accepted
  Campylopus Brid. -- accepted
  Campylopus angustiretis (Austin) Lesq. & James -- accepted
  Campylopus arctocarpus (Hornsch.) Mitt. -- accepted
  Campylopus atrovirens De Not. -- accepted
  Campylopus atrovirens var. atrovirens De Not. -- accepted
  Campylopus atrovirens var. cucullatifolius J.-P. Frahm -- accepted
  Campylopus aureus Bosch & Sande Lac. -- not accepted
  Campylopus caespiticius Brid. -- not accepted
  Campylopus canadensis Kindb. -- not accepted
  Campylopus carolinae Grout -- accepted -- Carolina campylopus moss
  Campylopus delicatulus R.S. Williams -- not accepted
  Campylopus donnellii (Austin) Lesq. & James -- not accepted
  Campylopus flexuosus (Hedw.) Brid. -- accepted
  Campylopus fragilis (Brid.) Bruch & Schimp. -- accepted -- fragile campylopus moss
  Campylopus gracilicaulis Mitt. -- not accepted
  Campylopus gracilicaulis ssp. angustiretis (Austin) Kindb. -- not accepted
  Campylopus gracilicaulis var. donnellii (Austin) Grout -- not accepted
  Campylopus gracilis (Mitt.) A. Jaeger -- accepted
  Campylopus henrici Renauld & Cardot -- not accepted
  Campylopus introflexus (Hedw.) Brid. -- accepted
  Campylopus japonicus Broth. -- not accepted
  Campylopus laevigatus Brid. -- not accepted
  Campylopus leanus (Sull.) Sull. -- not accepted
  Campylopus leucotrichus Sull. & Lesq. -- not accepted
  Campylopus oerstedianus (Müll. Hal.) Mitt. -- accepted -- Oersted's campylopus moss
  Campylopus paradoxus Wilson -- not accepted -- paradox campylopus moss
  Campylopus pilifer Brid. -- accepted
  Campylopus pyriformis (Schultz) Brid. -- accepted
  Campylopus schimperi Milde -- accepted -- Schimper's campylopus moss
  Campylopus schmidii (Müll. Hal.) A. Jaeger -- accepted
  Campylopus schwarzii Schimp. -- not accepted -- Schwarz's campylopus moss
  Campylopus sinensis (Müll. Hal.) J.-P. Frahm -- accepted
  Campylopus subulatus Schimp. ex Milde -- accepted
  Campylopus subulatus var. schimperi (Milde) Husn. -- not accepted
  Campylopus sudeticus (Funck) Fürnr. -- not accepted
  Campylopus surinamensis Müll. Hal. -- accepted -- Surinam campylopus moss
  Campylopus surinamensis var. angustiretis (Austin) J.-P. Frahm -- not accepted
  Campylopus tallulensis Sull. & Lesq. -- accepted -- Tallul campylopus moss
  Campylopus tallulensis var. subleucogaster (Müll. Hal.) Grout -- not accepted
  Campylopus virginicus (Austin) Lesq. & James -- not accepted
  Campylopus viridis Sull. & Lesq. -- not accepted
  Campylostelium Bruch & Schimp. -- accepted
  Campylostelium saxicola (F. Weber & D. Mohr) Bruch & Schimp. -- accepted
  Catharinea Ehrh. ex F. Weber & D. Mohr -- not accepted
  Catharinea crispa James -- not accepted
  Catharinea tenella Röhl. -- not accepted
  Ceratodon Brid. -- accepted
  Ceratodon conicus (Hampe ex Müll. Hal.) Lindb. -- accepted
  Ceratodon heterophyllus Kindb. -- accepted
  Ceratodon purpurascens (Hedw.) Jenn. -- not accepted
  Ceratodon purpureus (Hedw.) Brid. -- accepted
  Ceratodon purpureus ssp. conicus (Hampe ex Müll. Hal.) Dixon -- not accepted
  Ceratodon purpureus ssp. purpureus (Hedw.) Brid. -- accepted
  Ceratodon purpureus ssp. stenocarpus (Bruch & Schimp.) Dixon -- accepted
  Ceratodon purpureus var. obtusifolius Limpr. -- not accepted
  Ceratodon purpureus var. purpurascens (Hedw.) Brid. -- not accepted
  Ceratodon purpureus var. rotundifolius Berggr. -- not accepted -- roundleaf ceratodon moss
  Ceratodon purpureus var. xanthopus Sull. & Lesq. -- not accepted
  Ceratodon stenocarpus Bruch & Schimp. -- not accepted
  Chamaebryum Thér. & Dixon -- accepted
  Chenia R.H. Zander -- accepted
  Chenia leptophylla (Müll. Hal.) R.H. Zander -- accepted
  Chenia rhizophylla (Sakurai) R.H. Zander -- not accepted
  Cleistocarpidium Ochyra & Bedn.-Ochyra -- accepted
  Cleistocarpidium palustre (Bruch & Schimp.) Ochyra & Bedn.-Ochyra -- accepted
  Cnestrum I. Hagen -- not accepted
  Cnestrum alpestre (Wahlenb.) Nyholm -- not accepted
  Cnestrum schisti (F. Weber & D. Mohr) I. Hagen -- not accepted
  Codriophorus P. Beauv. -- accepted
  Codriophorus acicularis (Hedw.) P. Beauv. -- accepted
  Codriophorus aduncoides (Bedn.-Ochyra) Bedn.-Ochyra & Ochyra -- accepted
  Codriophorus corrugatus Bedn.-Ochyra -- accepted
  Codriophorus depressus (Lesq.) Bedn.-Ochyra & Ochyra -- accepted
  Codriophorus fascicularis (Hedw.) Bedn.-Ochyra & Ochyra -- accepted
  Codriophorus mollis (Cardot) Bedn.-Ochyra & Ochyra -- accepted
  Codriophorus norrisii (Bedn.-Ochyra & Ochyra) Bedn.-Ochyra & Ochyra -- accepted
  Codriophorus ryszardii (Bedn.-Ochyra) Bedn.-Ochyra & Ochyra -- accepted
  Codriophorus varius (Mitt.) Bedn.-Ochyra & Ochyra -- not accepted
  Conomitrium hallianum Sull. & Lesq. -- not accepted
  Coscinodon Spreng. -- accepted
  Coscinodon arctolimnius (Steere) Steere -- accepted
  Coscinodon calyptratus (Drumm.) C.E.O. Jensen -- accepted
  Coscinodon cribrosus (Hedw.) Spruce -- accepted
  Coscinodon hartzii C.E.O. Jensen -- accepted
  Coscinodon hookeri Hampe -- not accepted
  Coscinodon persoonii Hampe -- not accepted
  Coscinodon pilifer Dicks. -- not accepted
  Coscinodon pulvinatus Spreng. -- not accepted
  Coscinodon wrightii Sull. -- not accepted
  Coscinodon yukonensis Hastings -- accepted
  Crossidium Jur. -- accepted
  Crossidium aberrans Holz. & E.B. Bartram -- accepted
  Crossidium crassinervium (De Not.) Jur. -- accepted
  Crossidium crassinervium var. crassinervium (De Not.) Jur. -- accepted
  Crossidium desertorum Holz. & E.B. Bartram -- not accepted
  Crossidium erosum Holz. & E.B. Bartram -- not accepted
  Crossidium griseum (Jur.) Jur. -- not accepted
  Crossidium seriatum H.A. Crum & Steere -- accepted
  Crossidium spatulaefolium Holz. & E.B. Bartram -- not accepted
  Crossidium squamiferum (Viv.) Jur. -- accepted
  Crossidium squamiferum var. pottioideum (De Not.) Mönk. -- accepted
  Crossidium squamiferum var. squamiferum (Viv.) Jur. -- accepted
  Crossidium succulentum Holz. & E.B. Bartram -- not accepted
  Crumia W.B. Schofield -- accepted
  Crumia deciduidentata Sharp & Z. Iwats. -- not accepted
  Crumia latifolia (Kindb.) W.B. Schofield -- accepted -- wideleaf crumia moss
  Cynodontium Bruch & Schimp. -- accepted
  Cynodontium alpestre (Wahlenb.) Milde -- accepted
  Cynodontium canadense Mitt. -- not accepted
  Cynodontium flexicaule Schwägr. -- not accepted
  Cynodontium glaucescens (Lindb. & Arnell) Paris -- accepted
  Cynodontium gracilescens (F. Weber & D. Mohr) Schimp. -- accepted
  Cynodontium hyperboreum (Gunnerus ex With.) I. Hagen -- not accepted
  Cynodontium jenneri (Schimp.) Stirt. -- accepted -- Jenner's cynodontium moss
  Cynodontium polycarpon (Hedw.) Schimp. -- accepted
  Cynodontium polycarpum (Hedw.) Schimp. -- not accepted
  Cynodontium polycarpum var. laxirete Dixon -- not accepted
  Cynodontium polycarpum var. tenellum Schimp. -- not accepted
  Cynodontium schisti (F. Weber & D. Mohr) Lindb. -- accepted -- schist cynodontium moss
  Cynodontium strumiferum (Hedw.) Lindb. -- accepted
  Cynodontium strumulosum Müll. Hal. & Kindb. -- accepted
  Cynodontium tenellum (Schimp.) Limpr. -- accepted
  Cynodontium torquescens Limpr. -- not accepted
  Cynontodium capillaceum Hedw. -- not accepted
  Cynontodium inclinatum Hedw. -- not accepted
  Dactylhymenium Cardot -- not accepted
  Dactylhymenium pringlei Cardot -- not accepted
  Dermatodon cernuus Huebener -- not accepted
  Desmatodon Brid. -- not accepted
  Desmatodon arenaceus Sull. & Lesq. -- not accepted
  Desmatodon californicus Lesq. -- not accepted
  Desmatodon coloradensis Grout -- not accepted
  Desmatodon convolutus (Brid.) Grout -- not accepted -- convolute desmatodon moss
  Desmatodon ellesmerensis Brassard -- not accepted
  Desmatodon fisherae H.A. Crum -- not accepted
  Desmatodon garberi Lesq. & James -- not accepted
  Desmatodon guepinii Bruch & Schimp. -- not accepted -- Guepin's desmatodon moss
  Desmatodon heimii (Hedw.) Mitt. -- not accepted -- Heim's desmatodon moss
  Desmatodon heimii var. arctica (Lindb.) H.A. Crum -- not accepted -- arctic Heim's desmatodon moss
  Desmatodon hendersonii (Renauld & Cardot) R.S. Williams -- not accepted
  Desmatodon latifolius (Hedw.) Brid. -- not accepted -- wideleaf desmatodon moss
  Desmatodon latifolius var. muticus (Brid.) Brid. -- not accepted
  Desmatodon laureri (Schultz) Bruch & Schimp. -- not accepted -- Laurer's desmatodon moss
  Desmatodon leucostoma (R. Br.) Berggr. -- not accepted
  Desmatodon obtusifolius (Schwägr.) Schimp. -- not accepted -- obtuseleaf desmatodon moss
  Desmatodon plinthobius Sull. & Lesq. -- not accepted
  Desmatodon porteri James -- not accepted -- Porter's desmatodon moss
  Desmatodon randii (Kenn.) Lazarenko -- not accepted -- Rand's desmatodon moss
  Desmatodon stomatodontus (Cardot) R.S. Williams -- not accepted
  Desmatodon suberectus (Hook.) Limpr. -- not accepted
  Desmatodon systylius Schimp. -- not accepted
  Dichodontium Schimp. -- accepted
  Dichodontium canadense (Mitt.) Lesq. & James -- not accepted
  Dichodontium flavescens (Dicks. ex With.) Lindb. -- not accepted
  Dichodontium olympicum Renauld & Cardot -- accepted -- Olympic dichodontium moss
  Dichodontium pellucidum (Hedw.) Schimp. -- accepted
  Dichodontium pellucidum var. americanum Lesq. -- not accepted
  Dichodontium pellucidum var. fagimontanum (Brid.) Schimp. -- not accepted
  Dichodontium subflavescens Kindb. -- not accepted
  Dicranaceae -- accepted
  Dicranella (Müll. Hal.) Schimp. -- accepted
  Dicranella canadensis (Mitt.) Austin -- not accepted
  Dicranella cerviculata (Hedw.) Schimp. -- accepted
  Dicranella cerviculata var. americana Grout -- not accepted
  Dicranella cerviculata var. pusilla (Hedw.) Schimp. -- not accepted
  Dicranella crispa (Hedw.) Schimp. -- accepted
  Dicranella curvata (Hedw.) Schimp. -- not accepted
  Dicranella fitz-geraldii Renauld & Cardot -- not accepted
  Dicranella grevilleana (Brid.) Schimp. -- not accepted -- Greville's dicranella moss
  Dicranella herminieri Besch. -- not accepted
  Dicranella heteromalla (Hedw.) Schimp. -- accepted
  Dicranella heteromalla var. latinervis Cardot & Thér. -- not accepted
  Dicranella heteromalla var. orthocarpa (Hedw.) A. Jaeger -- not accepted
  Dicranella hilariana (Mont.) Mitt. -- accepted
  Dicranella howei Renauld & Cardot -- not accepted -- Howe's dicranella moss
  Dicranella hutchinsonii Krajina -- not accepted
  Dicranella langloisii Renauld & Cardot -- not accepted
  Dicranella laxiretis Renauld & Cardot -- not accepted
  Dicranella leptotrichoides Renauld & Cardot -- not accepted
  Dicranella lindigiana (Hampe) Mitt. -- accepted -- Lindig's dicranella moss
  Dicranella ohioensis (H. Rob.) H.A. Crum -- not accepted
  Dicranella pacifica W.B. Schofield -- accepted -- Pacific dicranella moss
  Dicranella palustris (Dicks.) Crundw. -- accepted
  Dicranella polaris Kindb. -- not accepted
  Dicranella pusilla (Hedw.) E. Britton -- not accepted
  Dicranella rubra Lindb. -- not accepted
  Dicranella rufescens (With.) Schimp. -- accepted
  Dicranella schreberi Schimp. -- not accepted
  Dicranella schreberi var. elata Schimp. -- not accepted
  Dicranella schreberi var. grevilleana (Brid.) Mönk. -- not accepted
  Dicranella schreberi var. occidentalis Austin -- not accepted
  Dicranella schreberi var. robusta Schimp. ex Braithw. -- not accepted
  Dicranella schreberiana (Hedw.) Hilf. ex H.A. Crum & L.E. Anderson -- accepted -- Schreber's dicranella moss
  Dicranella schreberiana var. robusta (Schimp. ex Braithw.) H.A. Crum & L.E. Anderson -- not accepted -- robust Schreber's dicranella moss
  Dicranella secunda Lindb. -- not accepted
  Dicranella sphaerocarpa Cardot -- not accepted
  Dicranella squarrosa (Schrad.) Schimp. -- not accepted
  Dicranella stickinensis Grout -- not accepted -- sticky dicranella moss
  Dicranella subulata (Hedw.) Schimp. -- accepted
  Dicranella subulata var. curvata (Hedw.) Rabenh. -- not accepted
  Dicranella varia (Hedw.) Schimp. -- accepted
  Dicranodontium Bruch & Schimp. -- accepted
  Dicranodontium asperulum (Mitt.) Broth. -- accepted
  Dicranodontium denudatum (Brid.) E. Britton -- accepted -- denuded dicranodontium moss
  Dicranodontium millsphaughii E. Britton -- not accepted
  Dicranodontium sinense (Müll. Hal.) Paris -- not accepted
  Dicranodontium subporodictyon Broth. -- not accepted
  Dicranodontium uncinatum (Harv.) A. Jaeger -- accepted
  Dicranodontium virginicum E. Britton -- not accepted
  Dicranoweisia Lindb. ex Milde -- accepted
  Dicranoweisia cirrata (Hedw.) Lindb. ex Milde -- accepted
  Dicranoweisia contermina Renauld & Cardot -- not accepted
  Dicranoweisia crispula (Hedw.) Milde -- accepted
  Dicranoweisia crispula var. compacta (Schwägr.) Lindb. -- not accepted
  Dicranoweisia roellii Kindb. -- not accepted
  Dicranum Hedw. -- accepted
  Dicranum aciculare Hedw. -- not accepted
  Dicranum acutifolium (Lindb. & Arnell) C.E.O. Jensen -- accepted -- acuteleaf dicranum moss
  Dicranum albicans Schwägr. -- not accepted
  Dicranum albidum Brid. ex P. Beauv. -- not accepted
  Dicranum alpestre Wahlenb. -- not accepted
  Dicranum ambiguum Hedw. -- not accepted
  Dicranum angustirete Austin -- not accepted
  Dicranum angustum Lindb. -- not accepted
  Dicranum arcticum Schimp. -- not accepted
  Dicranum arctocarpum Hornsch. -- not accepted
  Dicranum asperulum Mitt. -- not accepted
  Dicranum bergeri Blandow -- not accepted
  Dicranum bergeri var. acutifolium Lindb. & Arnell -- not accepted
  Dicranum blyttii Bruch & Schimp. -- not accepted
  Dicranum bonjeanii De Not. -- accepted -- Bonjean's dicranum moss
  Dicranum brevifolium (Lindb.) Lindb. -- accepted -- shortleaf dicranum moss
  Dicranum cerviculatum Hedw. -- not accepted
  Dicranum condensatum Hedw. -- accepted -- condensed dicranum moss
  Dicranum crispum Hedw. -- not accepted
  Dicranum denudatum Brid. -- not accepted
  Dicranum donnellii Austin -- not accepted
  Dicranum drummondii Sull. ex Lindb. -- not accepted
  Dicranum drummondii Müll. Hal. -- accepted
  Dicranum elatum Lindb. -- not accepted
  Dicranum elongatum Schleich. ex Schwägr. -- accepted -- elongate dicranum moss
  Dicranum enerve Thed. -- not accepted
  Dicranum falcatum Hedw. -- not accepted
  Dicranum flagellaceum Müll. Hal. -- not accepted
  Dicranum flagellare Hedw. -- accepted -- dicranum moss
  Dicranum flagellare var. minutissimum Grout -- not accepted
  Dicranum flexicaule Brid. -- not accepted
  Dicranum flexuosum Hedw. -- not accepted
  Dicranum fragile Brid. -- not accepted
  Dicranum fragilifolium Lindb. -- accepted -- fragile leaf dicranum moss
  Dicranum fulvellum (Dicks.) Sm. -- not accepted
  Dicranum fulvum Hook. -- accepted
  Dicranum fulvum ssp. viride (Sull. & Lesq.) Lindb. -- not accepted
  Dicranum fulvum var. viride (Sull. & Lesq.) Grout -- not accepted
  Dicranum fuscescens Turner -- accepted
  Dicranum fuscescens ssp. pallidisetum J.W. Bailey -- not accepted
  Dicranum fuscescens var. congestum (Brid.) Husn. -- not accepted
  Dicranum fuscescens var. flexicaule (Brid.) Wilson -- accepted
  Dicranum fuscescens var. fuscescens Turner -- accepted
  Dicranum glaciale Berggr. -- not accepted
  Dicranum glaucum Hedw. -- not accepted
  Dicranum gracile Mitt. -- not accepted
  Dicranum gracilescens F. Weber & D. Mohr -- not accepted
  Dicranum groenlandicum Brid. -- accepted -- Greenland dicranum moss
  Dicranum heteromallum Hedw. -- not accepted
  Dicranum hilarianum Mont. -- not accepted
  Dicranum howellii Renauld & Cardot -- accepted -- Howell's dicranum moss
  Dicranum hyperboreum (Gunnerus ex With.) Sm. -- not accepted
  Dicranum introflexum Hedw. -- not accepted
  Dicranum julaceum Hook. & Wilson -- not accepted
  Dicranum laevidens R.S. Williams -- not accepted
  Dicranum latifolium J.J. Amann -- not accepted -- wideleaf dicranum moss
  Dicranum latifolium Hedw. -- not accepted
  Dicranum leioneuron Kindb. -- accepted
  Dicranum longifolium Ehrh. ex Hedw. -- not accepted
  Dicranum majus var. orthophyllum A. Braun ex Milde -- accepted
  Dicranum molle (Wilson) Lindb. -- not accepted
  Dicranum montanum Hedw. -- accepted -- montane dicranum moss
  Dicranum muehlenbeckii Bruch & Schimp. -- accepted -- Muehlenbeck's dicranum moss
  Dicranum muehlenbeckii ssp. brevifolium (Lindb.) J.J. Amann -- not accepted
  Dicranum muehlenbeckii var. brevifolium Lindb. -- not accepted
  Dicranum oerstedianum Müll. Hal. -- not accepted
  Dicranum ontariense W.L. Peterson -- accepted -- Ontario dicranum moss
  Dicranum orthocarpum Hedw. -- not accepted
  Dicranum ovale Hedw. -- not accepted
  Dicranum pallidisetum (J.W. Bailey) Ireland -- accepted
  Dicranum pellucidum Hedw. -- not accepted
  Dicranum polysetum Sw. -- accepted
  Dicranum purpurascens Hedw. -- not accepted
  Dicranum purpureum Hedw. -- not accepted
  Dicranum pusillum Hedw. -- not accepted
  Dicranum pyriforme Schultz -- not accepted
  Dicranum rhabdocarpum Sull. -- accepted
  Dicranum robustum Blytt ex Bruce & Schimp. -- not accepted
  Dicranum rugosum Hoffm. ex Brid. -- not accepted
  Dicranum sabuletorum Renauld & Cardot -- not accepted
  Dicranum saxicola F. Weber & D. Mohr -- not accepted
  Dicranum schmidii Müll. Hal. -- not accepted
  Dicranum schreberianum Hedw. -- not accepted
  Dicranum scoparium Hedw. -- accepted
  Dicranum serratum Kindb. -- not accepted
  Dicranum sinense Müll. Hal. -- not accepted
  Dicranum spadiceum J.E. Zetterst. -- accepted
  Dicranum spurium Hedw. -- accepted
  Dicranum starkei F. Weber & D. Mohr -- not accepted
  Dicranum strictum (Sw. ex F. Weber & D. Mohr) D. Mohr -- not accepted
  Dicranum subulatum Hedw. -- not accepted
  Dicranum sulcatum Kindb. -- not accepted
  Dicranum tauricum Sapjegin -- accepted
  Dicranum undulatum Schrad. ex Brid. -- accepted
  Dicranum varium Hedw. -- not accepted
  Dicranum virens Hedw. -- not accepted
  Dicranum virginicum Austin -- not accepted
  Dicranum viride (Sull. & Lesq.) Lindb. -- accepted
  Didymodon Hedw. -- accepted
  Didymodon acutus (Brid.) K. Saito -- not accepted
  Didymodon acutus var. ditrichoides (Broth.) R.H. Zander -- not accepted
  Didymodon acutus var. icmadophila (Schimp. ex Müll. Hal.) R.H. Zander -- not accepted
  Didymodon anserinocapitatus (X.J. Li) R.H. Zander -- accepted
  Didymodon arcticus (Kaal.) Broth. -- not accepted
  Didymodon asperifolius (Mitt.) H.A. Crum, Steere & L.E. Anderson -- accepted
  Didymodon australasiae (Hook. & Grev.) R.H. Zander -- accepted
  Didymodon australasiae var. umbrosus (Müll. Hal.) R.H. Zander -- not accepted
  Didymodon bistratosus Hébr. & R.B. Pierrot -- accepted
  Didymodon brachyphyllus (Sull.) R.H. Zander -- accepted
  Didymodon columbianus F.J. Herm. & E. Lawton -- not accepted
  Didymodon crenulatus Mitt. -- not accepted
  Didymodon cylindricus var. gemmiparus Schimp. -- not accepted
  Didymodon diaphanobasis Cardot -- not accepted
  Didymodon eckeliae R.H. Zander -- accepted
  Didymodon fallax (Hedw.) R.H. Zander -- accepted
  Didymodon fallax var. reflexus (Brid.) R.H. Zander -- not accepted
  Didymodon ferrugineus (Schimp. ex Besch.) M.O. Hill -- accepted
  Didymodon fragilis Hook. & Wilson -- not accepted
  Didymodon fuscoviridis Cardot -- not accepted
  Didymodon giganteus (Funck) Jur. -- accepted
  Didymodon homomallus Hedw. -- not accepted
  Didymodon icmadophilus (Schimp. ex Müll. Hal.) K. Saito -- not accepted
  Didymodon jenneri Schimp. -- not accepted
  Didymodon johansenii (R.S. Williams) H.A. Crum -- accepted -- Johansen's didymodon moss
  Didymodon leskeoides K. Saito -- accepted
  Didymodon linearis Sw. -- not accepted
  Didymodon maschalogena (Renauld & Cardot) Broth. -- accepted
  Didymodon maximus (Syed & Crundw.) M.O. Hill -- accepted
  Didymodon mexicanus var. subulatus Thér. & E.B. Bartram ex E.B. Bartram -- not accepted
  Didymodon michiganensis (Steere) K. Saito -- not accepted -- Michigan didymodon moss
  Didymodon murrayae Otnyukova -- accepted
  Didymodon nevadensis R.H. Zander -- accepted
  Didymodon nicholsonii Culm. -- accepted
  Didymodon nigrescens (Mitt.) K. Saito -- accepted -- black didymodon moss
  Didymodon norrisii R.H. Zander -- accepted
  Didymodon occidentalis R.H. Zander -- not accepted
  Didymodon perobtusus Broth. -- accepted
  Didymodon pusillus Hedw. -- not accepted
  Didymodon recurvirostris (Hedw.) Jenn. -- not accepted
  Didymodon recurvirostris var. dentatus (Schimp.) Steere -- not accepted
  Didymodon reedii H. Rob. -- not accepted -- Reed's didymodon moss
  Didymodon revolutus (Cardot) R.S. Williams -- accepted -- revolute didymodon moss
  Didymodon rigidicaulis (Müll. Hal.) K. Saito -- not accepted
  Didymodon rigidulus Hedw. -- accepted -- rigid didymodon moss
  Didymodon rigidulus var. ditrichoides (Broth.) R.H. Zander -- accepted
  Didymodon rigidulus var. gracilis (Schleich. ex Hook. & Grev.) R.H. Zander -- accepted -- rigid didymodon moss
  Didymodon rigidulus var. icmadophilus (Schimp. ex Müll. Hal.) R.H. Zander -- accepted -- rigid didymodon moss
  Didymodon rigidulus var. rigidulus Hedw. -- accepted -- rigid didymodon moss
  Didymodon rigidulus var. subulatus (Thér. & E.B. Bartram ex E.B. Bartram) R.H. Zander -- accepted -- rigid didymodon moss
  Didymodon rufus Lorentz -- not accepted
  Didymodon subandreaeoides (Kindb.) R.H. Zander -- accepted
  Didymodon tectorum (Müll. Hal.) K. Saito -- accepted
  Didymodon tophaceus (Brid.) Lisa -- accepted
  Didymodon umbrosus (Müll. Hal.) R.H. Zander -- accepted
  Didymodon vaginatus Hook. ex Harv. -- not accepted
  Didymodon vinealis (Brid.) R.H. Zander -- accepted
  Didymodon vinealis var. brachyphyllus (Sull.) R.H. Zander -- not accepted
  Didymodon vinealis var. flaccidus (Bruch & Schimp.) R.H. Zander -- not accepted
  Didymodon vinealis var. nicholsonii (Culm.) R.H. Zander -- not accepted -- Nicholson's didymodon moss
  Didymodon vinealis var. rubiginosus (Mitt.) R.H. Zander -- accepted
  Didymodon vinealis var. vinealis (Brid.) R.H. Zander -- accepted
  Didymodon wollei (Austin) Austin -- not accepted
  Diphysciaceae -- accepted
  Diphyscium D. Mohr -- accepted
  Diphyscium cumberlandianum Harvill -- not accepted -- Cumberland diphyscium moss
  Diphyscium foliosum (Hedw.) D. Mohr -- accepted
  Diphyscium involutum Mitt. -- not accepted
  Diphyscium mucronifolium Mitt. -- accepted
  Disceliaceae -- accepted
  Discelium Brid. -- accepted
  Discelium nudum (Dicks.) Brid. -- accepted
  Distichium Bruch & Schimp. -- accepted
  Distichium capillaceum (Hedw.) Bruch & Schimp. -- accepted
  Distichium hagenii Ryan ex H. Philib. -- accepted -- Hagen's distichium moss
  Distichium inclinatum (Hedw.) Bruch & Schimp. -- accepted -- incline distichium moss
  Distichium inclinatum ssp. hagenii (Ryan ex H. Philib.) J.J. Amann -- not accepted
  Distichium inclinatum var. hagenii (Ryan ex H. Philib.) Mönk. -- not accepted
  Ditrichaceae -- accepted
  Ditrichum Hampe -- accepted
  Ditrichum ambiguum Best -- accepted -- ambiguous ditrichum moss
  Ditrichum boreale (R.S. Williams) Grout -- not accepted
  Ditrichum crispatissimum (Müll. Hal.) Paris -- not accepted
  Ditrichum curritucki Grout -- not accepted
  Ditrichum cylindricum (Hedw.) Grout -- not accepted
  Ditrichum flexicaule (Schwägr.) Hampe -- accepted
  Ditrichum giganteum R.S. Williams -- not accepted
  Ditrichum gracile (Mitt.) Kuntze -- accepted
  Ditrichum henryi H.A. Crum & L.E. Anderson -- not accepted
  Ditrichum heteromallum (Hedw.) E. Britton -- accepted
  Ditrichum homomallum (Hedw.) Hampe -- not accepted
  Ditrichum lineare (Sw.) Lindb. -- accepted
  Ditrichum montanum Leiberg -- accepted -- montane ditrichum moss
  Ditrichum pallidum (Hedw.) Hampe -- accepted -- pale ditrichum moss
  Ditrichum pusillum (Hedw.) Hampe -- accepted
  Ditrichum rhynchostegium Kindb. -- accepted
  Ditrichum schimperi (Lesq.) Kuntze -- accepted -- Schimper's ditrichum moss
  Ditrichum tortile (Schrad.) Brockm. -- not accepted
  Ditrichum tortuloides Grout -- accepted
  Ditrichum vaginans (Sull.) Hampe -- not accepted
  Ditrichum zonatum (Brid.) Kindb. -- not accepted
  Ditrichum zonatum var. scabrifolium Dixon -- not accepted
  Dryptodon Brid. -- not accepted
  Dryptodon atratus (Miel. ex Hornsch.) Limpr. -- not accepted
  Dryptodon elongatus (Kaulf.) Hartm. -- not accepted
  Dryptodon patens (Dicks. ex Hedw.) Brid. -- not accepted
  Eccremidium E.H. Wilson -- accepted
  Eccremidium floridanum H.A. Crum -- accepted -- Florida eccremidium moss
  Encalypta Hedw. -- accepted -- candle snuffer moss
  Encalypta affinis R. Hedw. -- accepted -- candle snuffer moss
  Encalypta affinis ssp. macounii (Austin) D.G. Horton -- not accepted
  Encalypta affinis var. macounii (Austin) H.A. Crum & L.E. Anderson -- not accepted -- Macoun's candle snuffer moss
  Encalypta alpina Sm. -- accepted -- alpine candle snuffer moss
  Encalypta apophysata Nees & Hornsch. -- not accepted
  Encalypta brevicollis (Bruch & Schimp.) Ångstr. -- accepted
  Encalypta brevicollis ssp. crumiana D.G. Horton -- not accepted
  Encalypta brevipes Schljakov -- accepted -- candle snuffer moss
  Encalypta ciliata Hedw. -- accepted -- fringed candle snuffer moss
  Encalypta ciliata var. microstoma Schimp. -- not accepted
  Encalypta flowersiana D.G. Horton -- accepted -- Flowers' candle snuffer moss
  Encalypta intermedia Jur. -- not accepted -- intermediate candle snuffer moss
  Encalypta lanceolata Hedw. -- not accepted
  Encalypta ligulata Spruce -- not accepted
  Encalypta longicollis Bruch -- accepted
  Encalypta longicollis var. brevicollis Bruch & Schimp. -- not accepted
  Encalypta longipes Mitt. -- not accepted
  Encalypta macounii Austin -- not accepted
  Encalypta mutica I. Hagen -- accepted -- candle snuffer moss
  Encalypta procera Bruch -- accepted -- candle snuffer moss
  Encalypta rhabdocarpa Schwägr. -- not accepted
  Encalypta rhabdocarpa var. microstoma Breidl. ex Limpr. -- not accepted
  Encalypta rhabdocarpa var. subspathulata (Müll. Hal. & Kindb.) Flowers -- not accepted
  Encalypta rhaptocarpa Schwägr. -- accepted -- yellow awn candle snuffer moss
  Encalypta spathulata Müll. Hal. -- accepted -- spathulate candle snuffer moss
  Encalypta texana Magill -- accepted
  Encalypta vittiana D.G. Horton -- accepted -- Vitt's candle snuffer moss
  Encalypta vulgaris Hedw. -- accepted -- common candle snuffer moss
  Encalypta vulgaris var. apiculata Wahlenb. -- not accepted
  Encalypta vulgaris var. mutica Brid. -- not accepted
  Encalypta vulgaris var. rhabdocarpa (Schwägr.) E. Lawton -- not accepted
  Encalyptaceae -- accepted
  Entosthodon Schwägr. -- accepted
  Entosthodon americanus (Lindb.) Fife -- not accepted
  Entosthodon apiculatopilosus (Cardot) Fife -- not accepted
  Entosthodon attenuatus (Dicks.) Bryhn -- accepted -- attenuate entosthodon moss
  Entosthodon bartramii Grout -- not accepted
  Entosthodon bolanderi Lesq. -- accepted -- Bolander's entosthodon moss
  Entosthodon californicus (Sull. & Lesq.) H.A. Crum & L.E. Anderson -- accepted -- California entosthodon moss
  Entosthodon drummondii Sull. -- accepted -- Drummond's entosthodon moss
  Entosthodon drummondii var. obtusifolius Holz. -- not accepted
  Entosthodon fascicularis (Hedw.) Müll. Hal. -- accepted
  Entosthodon kochii H.A. Crum & L.E. Anderson -- accepted -- Koch's entosthodon moss
  Entosthodon leibergii E. Britton -- not accepted
  Entosthodon planoconvexus (E.B. Bartram) Grout -- accepted -- convex entosthodon moss
  Entosthodon rubiginosus (R.S. Williams) Grout -- accepted
  Entosthodon rubrisetus (E.B. Bartram) Grout -- accepted
  Entosthodon sonorae (Cardot) Steere -- accepted -- Sonora entosthodon moss
  Entosthodon templetonii (Sm.) Schwägr. -- not accepted
  Entosthodon tucsonii (E.B. Bartram) Grout -- accepted -- Tucson entosthodon moss
  Entosthodon wigginsii Steere -- accepted -- Wiggins' entosthodon moss
  Ephemeraceae -- accepted
  Ephemerella readeri Müll. Hal. -- not accepted
  Ephemerum Hampe -- accepted
  Ephemerum cohaerens (Hedw.) Hampe -- accepted
  Ephemerum cohaerens var. flotowianum (Funck) Hampe -- not accepted
  Ephemerum crassinervium (Schwägr.) Hampe -- accepted
  Ephemerum crassinervium var. crassinervium (Schwägr.) Hampe -- accepted
  Ephemerum crassinervium var. papillosum (Austin) Renauld & Cardot -- not accepted
  Ephemerum crassinervium var. texanum (Grout) V.S. Bryan & L.E. Anderson -- accepted -- Texas ephemerum moss
  Ephemerum megalosporum (Austin) E.S. Salmon -- not accepted
  Ephemerum serratum (Schreb. ex Hedw.) Hampe -- accepted -- serrate ephemerum moss
  Ephemerum serratum var. minutissimum (Lindb.) Grout -- not accepted
  Ephemerum spinulosum Bruch & Schimp. -- accepted
  Ephemerum spinulosum var. hystrix (Lindb.) Grout -- not accepted
  Ephemerum spinulosum var. texanum Grout -- not accepted
  Ephemerum synoicum James -- not accepted
  Ephemerum wrightii Müll. Hal. -- not accepted
  Erpodiaceae -- accepted
  Erpodium (Brid.) Brid. -- accepted
  Erpodium acrifolium Pursell -- accepted
  Erpodium biseriatum (Austin) Austin -- not accepted
  Erpodium domingense (Spreng.) Brid. -- accepted -- Domingo erpodium moss
  Erpodium sinense Venturi -- not accepted
  Eucladium Bruch & Schimp. -- accepted
  Eucladium verticillatum (Brid.) Bruch & Schimp. -- accepted
  Fissidens Hedw. -- accepted
  Fissidens adianthoides Hedw. -- accepted
  Fissidens adianthoides var. immarginatus Lindb. ex Lesq. & James -- not accepted
  Fissidens adianthoides var. semicristatus Grout -- not accepted
  Fissidens allenianus Brugg.-Nann. & Pursell -- not accepted -- Allen fissidens moss
  Fissidens amoenus Müll. Hal. -- accepted
  Fissidens andersonii Grout -- not accepted
  Fissidens aphelotaxifolius Pursell -- accepted
  Fissidens appalachensis R.H. Zander -- accepted -- Appalachian fissidens moss
  Fissidens arcticus Bryhn -- accepted -- arctic fissidens moss
  Fissidens asplenioides Hedw. -- accepted -- asplenium fissidens moss
  Fissidens austinii Broth. -- not accepted
  Fissidens bryoides Hedw. -- accepted -- bryoid fissidens moss
  Fissidens bryoides var. incurvus (Starke ex Röhl.) Huebener -- not accepted
  Fissidens bryoides var. pusillus (Wilson) Pursell -- not accepted
  Fissidens bushii (Cardot & Thér.) Cardot & Thér. -- accepted -- Bush's fissidens moss
  Fissidens clebschii Steere -- not accepted -- Clebsch's fissidens moss
  Fissidens closteri Austin -- accepted
  Fissidens closteri ssp. closteri Austin -- accepted
  Fissidens closteri ssp. kiusiuensis (Sakurai) Z. Iwats. -- accepted
  Fissidens crispus Mont. -- accepted
  Fissidens cristatus Wilson & Mitt. -- not accepted
  Fissidens cristatus var. winonensis (Renauld & Cardot) Grout -- not accepted
  Fissidens curvatus Hornsch. -- accepted
  Fissidens debilis Schwägr. -- not accepted
  Fissidens decipiens var. winonensis Renauld & Cardot -- not accepted
  Fissidens donnellii Austin -- not accepted
  Fissidens dubius P. Beauv. -- accepted
  Fissidens elegans Brid. -- accepted
  Fissidens exiguus Sull. -- not accepted
  Fissidens exiguus var. falcatulus (Renauld & Cardot) Grout -- not accepted
  Fissidens exilis Hedw. -- accepted
  Fissidens floridanus Lesq. & James -- not accepted
  Fissidens fontanus (Bach. Pyl.) Steud. -- accepted
  Fissidens garberi Lesq. & James -- not accepted
  Fissidens grandifrons Brid. -- accepted -- largeleaf fissidens moss
  Fissidens hallianus (Sull. & Lesq.) Mitt. -- accepted
  Fissidens hallii Austin -- not accepted -- Hall's fissidens moss
  Fissidens hyalinus Hook. & Wilson -- accepted
  Fissidens julianus (Savi ex DC.) Schimp. -- not accepted
  Fissidens kegelianus Müll. Hal. -- not accepted
  Fissidens kochii H.A. Crum & L.E. Anderson -- not accepted -- Koch's fissidens moss
  Fissidens leptophyllus Mont. -- accepted
  Fissidens limbatus Sull. -- not accepted
  Fissidens limbatus var. brevifolius (Cardot & Thér.) Grout -- not accepted
  Fissidens limbatus var. ensiformis Grout -- not accepted
  Fissidens littlei (R.S. Williams) Grout -- accepted -- Little's fissidens moss
  Fissidens manateensis Grout -- not accepted
  Fissidens milobakeri L.F. Koch -- not accepted -- Milo's fissidens moss
  Fissidens minutulus Sull. -- accepted
  Fissidens minutus Thwaites & Mitt. -- not accepted
  Fissidens neonii (E.B. Bartram) Grout -- not accepted -- neon fissidens moss
  Fissidens obtusifolius Wilson -- accepted -- obtuseleaf fissidens moss
  Fissidens obtusifolius var. apiculatus Grout -- not accepted -- obtuseleaf fissidens moss
  Fissidens obtusifolius var. kansanus Renauld & Cardot -- not accepted -- Kansas fissidens moss
  Fissidens obtusifolius var. marginatus Flowers -- not accepted -- obtuseleaf fissidens moss
  Fissidens orcuttii Grout -- not accepted
  Fissidens osmundoides Hedw. -- accepted -- osmund fissidens moss
  Fissidens pallidinervis Mitt. -- accepted
  Fissidens pauperculus M. Howe -- accepted
  Fissidens pellucidus Hornsch. -- accepted
  Fissidens pellucidus var. pellucidus Hornsch. -- accepted
  Fissidens polycarpos Hedw. -- not accepted
  Fissidens polycarpus Hedw. -- not accepted
  Fissidens polypodioides Hedw. -- accepted -- polypody fissidens moss
  Fissidens pulvinatus Hedw. -- not accepted
  Fissidens pusillus (Wilson) Milde -- not accepted
  Fissidens pusillus var. brevifolius Cardot & Thér. -- not accepted
  Fissidens ravenelii Sull. -- not accepted -- Ravenel's fissidens moss
  Fissidens reesei H.A. Crum & L.E. Anderson -- not accepted -- Reese's fissidens moss
  Fissidens repandus Wilson -- not accepted
  Fissidens santa-clarensis Thér. -- accepted
  Fissidens scalaris Mitt. -- accepted
  Fissidens serratus Müll. Hal. -- accepted
  Fissidens serratus var. serratus Müll. Hal. -- accepted
  Fissidens strumifer Hedw. -- not accepted
  Fissidens subbasilaris Hedw. -- accepted
  Fissidens subbasilaris var. bushii Cardot & Thér. -- not accepted
  Fissidens subcrenatus Schimp. -- not accepted
  Fissidens sublimbatus Grout -- accepted
  Fissidens submarginatus Bruch -- accepted
  Fissidens synoicus Sull. -- not accepted
  Fissidens taxifolius Hedw. -- accepted
  Fissidens taylorii Müll. Hal. -- accepted
  Fissidens texanus Lesq. & James -- not accepted
  Fissidens tortilis Hampe & Müll. Hal. -- not accepted
  Fissidens ventricosus Lesq. -- accepted
  Fissidens viridulus (Sw.) Wahlenb. -- not accepted
  Fissidens viridulus var. pusillus Wilson -- not accepted
  Fissidens viridulus var. tamarindifolius (Turner) Grout -- not accepted
  Fissidens viridulus var. texanus (Lesq. & James) Grout -- not accepted
  Fissidens zollingeri Mont. -- accepted -- Zollinger's fissidens moss
  Fissidentaceae -- accepted
  Funaria Hedw. -- accepted
  Funaria americana Lindb. -- accepted -- American funaria moss
  Funaria apiculatopilosa Cardot -- accepted -- apiculate funaria moss
  Funaria arctica (Berggr.) Kindb. -- accepted -- arctic funaria moss
  Funaria attenuata (Dicks.) Lindb. -- not accepted
  Funaria bolanderi (Lesq.) Holz. -- not accepted
  Funaria calcarea Wahlenb. -- not accepted
  Funaria californica Sull. & Lesq. -- not accepted
  Funaria calvescens Schwägr. -- not accepted
  Funaria convoluta Hampe -- not accepted
  Funaria drummondii (Sull.) Lindb. -- not accepted
  Funaria fascicularis (Hedw.) Lindb. -- not accepted
  Funaria flavicans Michx. -- accepted
  Funaria flaviseta Warnst. -- not accepted
  Funaria groutiana Fife -- not accepted
  Funaria hygrometrica Hedw. -- accepted
  Funaria hygrometrica var. arctica Berggr. -- not accepted
  Funaria hygrometrica var. calvescens (Schwägr.) Mont. -- accepted
  Funaria hygrometrica var. patula Bruch & Schimp. -- not accepted
  Funaria hygrometrica var. utahensis Grout -- not accepted
  Funaria mediterranea Lindb. -- not accepted
  Funaria microstoma Bruch ex Schimp. -- accepted
  Funaria microstoma var. obtusifolia Grout -- not accepted
  Funaria muhlenbergii Turner -- accepted -- Muhlenberg's funaria moss
  Funaria plano-convexa E.B. Bartram -- not accepted
  Funaria polaris Bryhn -- accepted -- northern funaria moss
  Funaria rubiginosa R.S. Williams -- not accepted
  Funaria rubriseta E.B. Bartram -- not accepted
  Funaria serrata Brid. -- accepted -- serrate funaria moss
  Funaria sonorae Cardot -- not accepted
  Funaria templetonii Sm. -- not accepted
  Funaria tucsoni E.B. Bartram -- not accepted
  Funariaceae -- accepted
  Geheebia Schimp. -- not accepted
  Geheebia gigantea (Funck) Boulay -- not accepted -- giant geheebia moss
  Georgia Ehrh. ex Müll. Hal. -- not accepted
  Georgia browniana (Dicks.) Müll. Hal. -- not accepted
  Georgia pellucida (Hedw.) Rabenh. -- not accepted
  Georgia trachypoda Kindb. -- not accepted
  Gigaspermaceae -- accepted
  Gigaspermum Lindberg -- accepted
  Globulina globifera (Hampe) Müll. Hal. -- not accepted
  Globulinella Steere -- accepted
  Globulinella globifera (Hampe) Steere -- accepted
  Glyphomitrium sinense Mitt. -- not accepted
  Grimmia Hedw. -- accepted -- grimmia dry rock moss
  Grimmia acicularis (Hedw.) Müll. Hal. -- not accepted
  Grimmia affinis Hornsch. -- not accepted -- grimmia dry rock moss
  Grimmia agassizii (Sull. & Lesq.) A. Jaeger -- not accepted
  Grimmia alpestris (F. Weber & D. Mohr) Schleich. -- accepted
  Grimmia alpestris var. caespiticia (Brid.) G.N. Jones -- not accepted
  Grimmia alpestris var. holzingeri (Cardot & Thér.) G.N. Jones -- not accepted
  Grimmia alpestris var. manniae (Müll. Hal.) G.N. Jones -- not accepted
  Grimmia alpicola Hedw. -- not accepted
  Grimmia alpicola var. rivularis (Brid.) Wahlenb. -- not accepted
  Grimmia americana E.B. Bartram -- accepted -- American dry rock moss
  Grimmia ancistrodes Durieu & Mont. -- not accepted
  Grimmia anodon Bruch & Schimp. -- accepted -- grimmia dry rock moss
  Grimmia anodon var. anomala E.B. Bartram -- not accepted
  Grimmia anomala Hampe -- accepted -- grimmia dry rock moss
  Grimmia apocarpa Hedw. -- not accepted
  Grimmia arctolimnia Steere -- not accepted
  Grimmia arctophila Kindb. -- not accepted
  Grimmia arctophila ssp. labradorica Kindb. -- not accepted
  Grimmia arcuatifolia Kindb. -- not accepted
  Grimmia arizonae Renauld & Cardot -- accepted -- Arizona dry rock moss
  Grimmia atrata Miel. ex Hornsch. -- accepted -- grimmia dry rock moss
  Grimmia atricha Müll. Hal. & Kindb. -- not accepted
  Grimmia atrofusca Schimp. -- not accepted
  Grimmia atrovirens Sm. -- not accepted
  Grimmia attenuata (Müll. Hal. & Kindb.) Kindb. -- accepted
  Grimmia austinii Kindb. -- not accepted
  Grimmia brachyodon Austin -- not accepted
  Grimmia brandegei Austin -- not accepted
  Grimmia brevirostris R.S. Williams -- not accepted -- grimmia dry rock moss
  Grimmia brittoniae R.S. Williams -- accepted -- Britton's dry rock moss
  Grimmia caespiticia (Brid.) Jur. -- accepted
  Grimmia californica Sull. -- not accepted
  Grimmia calvescens Kindb. -- not accepted
  Grimmia calyptrata Drumm. -- not accepted
  Grimmia canadensis Kindb. -- not accepted
  Grimmia canescens (Hedw.) Müll. Hal. -- not accepted
  Grimmia canescens var. ericoides (Brid.) Müll. Hal. -- not accepted
  Grimmia catalinensis E.B. Bartram -- not accepted
  Grimmia catalinensis var. mutica E.B. Bartram -- not accepted
  Grimmia cinclidodontea Müll. Hal. -- not accepted
  Grimmia cognata Cardot & Thér. -- not accepted
  Grimmia columbica Kindb. -- not accepted
  Grimmia commutata Huebener -- not accepted
  Grimmia conferta Funck -- not accepted
  Grimmia cribrosa Hedw. -- not accepted
  Grimmia crinitoleucophaea Cardot -- accepted
  Grimmia curvata (Brid.) J.L. De Sloover -- not accepted
  Grimmia curvifolia Lindb. -- not accepted
  Grimmia decipiens var. hendersonii (Renauld & Cardot) Sayre -- not accepted
  Grimmia donniana Sm. -- accepted -- Donn's dry rock moss
  Grimmia donniana var. alpestris (F. Weber & D. Mohr) Hampe -- not accepted
  Grimmia drummondii Wilson -- not accepted
  Grimmia dupretii Thér. -- not accepted
  Grimmia elata Kindb. -- not accepted
  Grimmia elatior Bruch ex Bals.-Criv. & De Not. -- accepted -- grimmia dry rock moss
  Grimmia elongata Kaulf. -- accepted -- grimmia dry rock moss
  Grimmia evansii E. Britton -- not accepted
  Grimmia flaccida (De Not.) Lindb. -- not accepted
  Grimmia flettii (Holz.) Cardot -- not accepted
  Grimmia flexipilis Lindb. ex Broth. -- not accepted
  Grimmia funalis (Schwägr.) Bruch & Schimp. -- accepted -- grimmia dry rock moss
  Grimmia glauca Cardot -- not accepted
  Grimmia grandis Kindb. -- not accepted
  Grimmia grisea Cardot -- not accepted
  Grimmia hamulosa Lesq. -- accepted -- grimmia dry rock moss
  Grimmia hartmanii Schimp. -- accepted -- Hartman's dry rock moss
  Grimmia hartmanii ssp. anomala (Hampe) Loeske -- not accepted
  Grimmia hermannii H.A. Crum -- not accepted
  Grimmia heterophylla Kindb. -- not accepted
  Grimmia heterosticha (Hedw.) Müll. Hal. -- not accepted
  Grimmia heterosticha ssp. affinis (Schleich. ex F. Weber & D. Mohr) Kindb. -- not accepted
  Grimmia imberbis Kindb. -- not accepted
  Grimmia incurva Schwägr. -- accepted -- grimmia dry rock moss
  Grimmia indianensis (Sayre) H.A. Crum -- not accepted
  Grimmia jacutica Ignatova, Bedn.-Ochyra, Afonina & J. Muñoz -- not accepted
  Grimmia jamesii Austin -- not accepted
  Grimmia laevigata (Brid.) Brid. -- accepted -- grimmia dry rock moss
  Grimmia leibergii Paris -- accepted
  Grimmia lesherae Greven -- accepted
  Grimmia leucophaea Grev. -- not accepted
  Grimmia liliputana Müll. Hal. -- not accepted
  Grimmia lisae De Not. -- accepted
  Grimmia longirostris Hook. -- accepted
  Grimmia manniae Müll. Hal. -- not accepted
  Grimmia mariniana Sayre -- accepted -- grimmia dry rock moss
  Grimmia maritima Turner ex Robt. Scott -- not accepted
  Grimmia mollis Bruch & Schimp. -- accepted -- grimmia dry rock moss
  Grimmia montana Bruch & Schimp. -- accepted -- montane dry rock moss
  Grimmia montana var. brachyodon (Austin) Lesq. & James -- not accepted
  Grimmia moxleyi R.S. Williams -- accepted -- Moxley's dry rock moss
  Grimmia muehlenbeckii Schimp. -- accepted
  Grimmia neevii Müll. Hal. -- not accepted
  Grimmia nevadensis Greven -- accepted
  Grimmia nevii Müll. Hal. ex C. Mohr -- not accepted
  Grimmia nivalis Schimp. -- not accepted
  Grimmia occidentalis E. Lawton -- not accepted
  Grimmia olneyi Sull. -- accepted -- Olney's dry rock moss
  Grimmia olympica E. Britton -- not accepted
  Grimmia orbicularis Bruch -- accepted -- orb dry rock moss
  Grimmia ortholoma Kindb. -- not accepted
  Grimmia ovalis (Hedw.) Lindb. -- accepted -- oval dry rock moss
  Grimmia ovalis var. affinis (Hornsch.) Broth. -- not accepted
  Grimmia ovata Schrank -- not accepted
  Grimmia ovata var. affinis (Hornsch.) Bruch & Schimp. -- not accepted
  Grimmia ovata var. gracilis Röll -- not accepted
  Grimmia ovataeformis Kindb. -- not accepted
  Grimmia pachyneurula Müll. Hal. & Kindb. -- not accepted
  Grimmia pachyphylla Leiberg -- not accepted
  Grimmia pacifica E. Lawton -- not accepted
  Grimmia panschii Müll. Hal. -- not accepted
  Grimmia papillosa Kindb. -- not accepted
  Grimmia pennsylvanica Schwägr. ex Sull. & Lesq. -- not accepted
  Grimmia philibertiana E. Britton -- not accepted
  Grimmia pilifera P. Beauv. -- accepted -- grimmia dry rock moss
  Grimmia plagiopodia Hedw. -- accepted -- grimmia dry rock moss
  Grimmia platyphylla Mitt. -- not accepted
  Grimmia prolifera Müll. Hal. & Kindb. -- not accepted
  Grimmia pulvinata (Hedw.) Sm. -- accepted -- pulvinate dry rock moss
  Grimmia pulvinata var. africana (Hedw.) Hook. f. & Wilson -- not accepted -- African dry rock moss
  Grimmia pyrenaica Kern -- not accepted
  Grimmia ramondii (Lam. & DC.) Margad. -- accepted
  Grimmia raui Austin -- not accepted
  Grimmia recurvata Hedw. -- not accepted
  Grimmia reflexidens Müll. Hal. -- accepted
  Grimmia rivularis Brid. -- not accepted
  Grimmia robusta Nees & Hornsch. -- not accepted
  Grimmia ryanii Limpr. ex Bryhn -- not accepted
  Grimmia santaritae E.B. Bartram -- not accepted
  Grimmia sarcocalyx Kindb. -- not accepted
  Grimmia schisti F. Weber & D. Mohr -- not accepted
  Grimmia serrana J. Muñoz, Shevock & D.R. Toren -- accepted
  Grimmia serrata Kindb. -- not accepted
  Grimmia sessitana De Not. -- accepted
  Grimmia shastae Greven -- accepted
  Grimmia speciosa Müll. Hal. -- not accepted
  Grimmia spiralis Hook. -- not accepted
  Grimmia stricta Turner -- not accepted
  Grimmia subanodon Ochyra -- not accepted
  Grimmia subcurvula Kindb. -- not accepted
  Grimmia subpapillinervis Kindb. -- not accepted
  Grimmia tenella (Müll. Hal.) Macoun & Kindb. -- not accepted
  Grimmia tenera J.E. Zetterst. -- not accepted
  Grimmia tenerrima Renauld & Cardot -- not accepted -- grimmia dry rock moss
  Grimmia teretinervis Limpr. -- accepted -- grimmia dry rock moss
  Grimmia torngakiana Brassard & Hedd. -- not accepted -- grimmia dry rock moss
  Grimmia torquata Drumm. -- accepted -- grimmia dry rock moss
  Grimmia tortifolia Kindb. -- not accepted
  Grimmia trichodon Brid. -- not accepted
  Grimmia trichophylla Grev. -- accepted -- grimmia dry rock moss
  Grimmia trichophylla var. indianensis Sayre -- not accepted
  Grimmia trichophylla var. tenuis (Wahlenb.) Wijk & Margad. -- not accepted
  Grimmia unicolor Hook. -- accepted -- onecolor dry rock moss
  Grimmia varia Mitt. -- not accepted
  Grimmiaceae -- accepted
  Guembelia tenella Müll. Hal. -- not accepted
  Gymnostomiella M. Fleisch. -- accepted
  Gymnostomiella orcuttii E.B. Bartram -- accepted -- Orcutt's gymnostomiella moss
  Gymnostomum Nees & Hornsch. -- accepted
  Gymnostomum aeruginosum Sm. -- accepted
  Gymnostomum aestivum Hedw. -- not accepted
  Gymnostomum barbula Schwägr. -- not accepted
  Gymnostomum calcareum Nees & Hornsch. -- accepted -- calcareous gymnostomum moss
  Gymnostomum clintonii Austin -- not accepted
  Gymnostomum conicum Schleich. ex Schwägr. -- not accepted
  Gymnostomum davallianum Sm. -- not accepted
  Gymnostomum donnianum Sm. -- not accepted
  Gymnostomum fasciculare Hedw. -- not accepted
  Gymnostomum griffithianum (Dicks.) Sm. -- not accepted
  Gymnostomum heimii Hedw. -- not accepted
  Gymnostomum intermedium Turner -- not accepted
  Gymnostomum involutum Hook. -- not accepted
  Gymnostomum latifolium Hook. -- not accepted
  Gymnostomum obtusifolium R. Br. -- not accepted
  Gymnostomum ovatum Hedw. -- not accepted
  Gymnostomum pennatum Hedw. -- not accepted
  Gymnostomum phascoides Hook. -- not accepted
  Gymnostomum pyriforme Hedw. -- not accepted
  Gymnostomum rauanum Austin -- not accepted
  Gymnostomum recurvirostrum Hedw. -- not accepted
  Gymnostomum recurvirostrum var. commutatum (Mitt.) Grout -- not accepted
  Gymnostomum recurvirostrum var. latifolium (J.E. Zetterst.) Flowers ex H.A. Crum -- not accepted
  Gymnostomum recurvirostrum var. scabrum (Lindb.) Grout -- not accepted
  Gymnostomum recurvum Griff. -- not accepted
  Gymnostomum rupestre Schleich. ex Schwägr. -- not accepted
  Gymnostomum subsessile Brid. -- not accepted
  Gymnostomum tenue Schrad. ex Hedw. -- not accepted
  Gymnostomum tetragonum Brid. -- not accepted
  Gymnostomum tophaceum Austin -- not accepted
  Gymnostomum trichodes F. Weber -- not accepted
  Gymnostomum truncatum Hedw. -- not accepted
  Gymnostomum viridulum Brid. -- accepted
  Gyroweisia Schimp. -- accepted
  Gyroweisia tenuis (Schrad. ex Hedw.) Schimp. -- accepted
  Hedwigia hornschuchiana Hook. -- not accepted
  Hennedia R. Br. bis -- not accepted
  Hennediella Paris -- accepted
  Hennediella heimii (Hedw.) R.H. Zander -- accepted
  Hennediella heimii var. arctica (Lindb.) R.H. Zander -- accepted
  Hennediella heimii var. heimii (Hedw.) R.H. Zander -- accepted
  Hennediella stanfordensis (Steere) Blockeel -- accepted
  Hilpertia R.H. Zander -- accepted
  Hilpertia scotteri (R.H. Zander & Steere) R.H. Zander -- not accepted
  Hilpertia velenovskyi (Schiffn.) R.H. Zander -- accepted
  Husnotiella Cardot -- not accepted
  Husnotiella pringlei (Cardot) Grout -- not accepted
  Husnotiella revoluta Cardot -- not accepted
  Husnotiella revoluta var. palmeri (Cardot) E.B. Bartram -- not accepted
  Husnotiella torquescens (Cardot) E.B. Bartram -- not accepted
  Hydrogrimmia Loeske -- not accepted
  Hydrogrimmia mollis (Bruch & Schimp.) Loeske -- not accepted
  Hymenostomum R. Br. -- not accepted
  Hymenostomum brachycarpum Nees & Hornsch. -- not accepted
  Hymenostomum inoperculatum H.A. Crum -- not accepted
  Hymenostomum ligulifolium E.B. Bartram -- not accepted
  Hymenostomum microstomum (Hedw.) R. Br. -- not accepted
  Hymenostomum microstomum (Hedw.) Nees & Hornsch. -- not accepted
  Hymenostomum microstomum var. brachycarpum (Nees & Hornsch.) Huebener -- not accepted
  Hymenostomum rostellatum var. phascoides (Hook.) Cardot -- not accepted
  Hymenostylium Brid. -- accepted
  Hymenostylium commutatum Mitt. -- not accepted
  Hymenostylium recurvirostrum (Hedw.) Dixon -- accepted
  Hymenostylium recurvirostrum var. commutatum (Mitt.) Podp. -- not accepted
  Hymenostylium recurvirostrum var. insigne (Dixon) E.B. Bartram -- accepted
  Hymenostylium recurvirostrum var. recurvirostrum (Hedw.) Dixon -- accepted
  Hymenostylium recurvirostrum var. scabrum (Lindb.) Podp. -- not accepted
  Hyophila Brid. -- accepted
  Hyophila involuta (Hook.) A. Jaeger -- accepted
  Hyophila stanfordensis (Steere) A.J.E. Sm. & H. Whitehouse -- not accepted
  Hyophila stomatodonta Cardot -- not accepted
  Hyophila tortula (Schwägr.) Hampe -- not accepted
  Hyophiladelphus (Müll. Hal.) R.H. Zander -- accepted
  Hyophiladelphus agrarius (Hedw.) R.H. Zander -- accepted
  Hyophilopsis H.A. Crum -- not accepted
  Hypnodon perpusillus (Thwaites & Mitt.) Müll. Hal. -- not accepted
  Indusiella Broth. & Müll. Hal. -- accepted
  Indusiella thianschanica Broth. & Müll. Hal. -- accepted
  Isocladus macrophyllus (Bernh. ex Brid.) Lindb. -- not accepted
  Jaffueliobryum Thér. -- accepted
  Jaffueliobryum raui (Austin) Thér. -- accepted
  Jaffueliobryum wrightii (Sull.) Thér. -- accepted -- Wright's jaffueliobryum moss
  Kiaeria I. Hagen -- accepted
  Kiaeria blyttii (Bruch & Schimp.) Broth. -- accepted -- Blytt's kiaeria moss
  Kiaeria falcata (Hedw.) I. Hagen -- accepted -- sickle kiaeria moss
  Kiaeria glacialis (Berggr.) I. Hagen -- accepted -- glacial kiaeria moss
  Kiaeria starkei (F. Weber & D. Mohr) I. Hagen -- accepted -- Starke's kiaeria moss
  Lejeunea biseriata Austin -- not accepted
  Lepidozia ceratophylla Mitt. -- not accepted
  Leptangium imbricatum Mitt. -- not accepted
  Leptodontium (Müll. Hal.) Hampe ex Lindb. -- accepted
  Leptodontium excelsum (Sull.) E. Britton -- not accepted
  Leptodontium flexifolium (Dicks.) Hampe -- accepted
  Leptodontium flexifolium var. americanum (Grout) Grout -- not accepted
  Leptodontium orcuttii E.B. Bartram -- not accepted
  Leptodontium recurvifolium (Taylor) Lindb. -- not accepted
  Leptodontium sulphureum var. panamense Lorentz -- not accepted
  Leptodontium viticulosoides (P. Beauv.) Wijk & Margad. -- accepted
  Leptodontium viticulosoides var. sulphureum (Müll. Hal.) R.H. Zander -- accepted
  Leptotrichum canadense (Mitt.) A. Jaeger -- not accepted
  Leptotrichum crispatissimum Müll. Hal. -- not accepted
  Leptotrichum gracile Mitt. -- not accepted
  Leptotrichum schimperi Lesq. -- not accepted
  Leucobryaceae -- accepted
  Leucobryum Hampe -- accepted
  Leucobryum albidum (Brid. ex P. Beauv.) Lindb. -- accepted
  Leucobryum glaucum (Hedw.) Ångstr. -- accepted
  Leucobryum leanum (Sull.) Kindb. -- not accepted
  Leucophanaceae -- accepted
  Leucophanes leanum Sull. -- not accepted
  Lorentziella Müll. Hal. -- accepted
  Lorentziella imbricata (Mitt.) Broth. -- accepted -- imbricate lorentziella moss
  Luisierella Thér. & P. de la Varde -- accepted
  Luisierella barbula (Schwägr.) Steere -- accepted
  Lyellia R. Br. -- accepted
  Lyellia aspera (I. Hagen & C.E.O. Jensen) Frye -- accepted
  Lyellia lescurii (James) E.S. Salmon -- not accepted
  Meesia bolleana Müll. Hal. -- not accepted
  Meiotrichum (G.L. Sm.) G.L. Merr. -- accepted
  Meiotrichum lyallii (Mitt.) G.L. Merr. -- accepted
  Merceya Schimp. -- not accepted
  Merceya latifolia Kindb. -- not accepted
  Merceya ligulata (Spruce) Schimp. -- not accepted
  Microbryum Schimp. -- accepted
  Microbryum davallianum (Sm.) R.H. Zander -- accepted
  Microbryum davallianum var. commutatum (Limpr.) R.H. Zander -- accepted
  Microbryum davallianum var. conicum (Schleich. ex Schwägr.) R.H. Zander -- accepted
  Microbryum davallianum var. davallianum (Sm.) R.H. Zander -- accepted
  Microbryum floerkeanum (F. Weber & D. Mohr) Schimp. -- accepted
  Microbryum floerkeanum var. henrici Renauld & Cardot -- not accepted
  Microbryum starckeanum (Hedw.) R.H. Zander -- accepted
  Microbryum starckeanum var. brachyodus (Bruch & Schimp.) R.H. Zander -- accepted
  Microbryum starckeanum var. fosbergii (E.B. Bartram) R.H. Zander -- accepted
  Microbryum starckeanum var. starckeanum (Hedw.) R.H. Zander -- accepted
  Microbryum vlassovii (Laz.) R.H. Zander -- accepted
  Microdus Schimp. ex Besch. -- not accepted
  Microdus debilis (Hook. & Wilson) Besch. -- not accepted
  Microdus laxiretis (Renauld & Cardot) Paris -- not accepted
  Microdus leptotrichoides (Renauld & Cardot) Paris -- not accepted
  Microdus lindigianus (Hampe) Besch. -- not accepted
  Microdus sphaerocarpus (Cardot) Broth. -- not accepted
  Micromitrium Austin -- accepted
  Micromitrium austinii Sull. -- not accepted -- Austin's micromitrium moss
  Micromitrium megalosporum Austin -- accepted
  Micromitrium synoicum (James) Austin -- accepted
  Micromitrium tenerum (Bruch & Schimp.) Crosby -- accepted
  Micromitrium wrightii (Müll. Hal.) Crosby -- accepted -- Wright's micromitrium moss
  Moenkemeyera Müll. Hal. -- not accepted
  Moenkemeyera littlei R.S. Williams -- not accepted
  Moenkemeyera neonii E.B. Bartram -- not accepted
  Molendoa Lindb. -- accepted
  Molendoa hornschuchiana (Hook.) Lindb. ex Limpr. -- accepted -- Hornschuch's molendoa moss
  Molendoa ogalalensis (G.L. Merr.) R.H. Zander -- accepted
  Molendoa sendtneriana (Bruch & Schimp.) Limpr. -- accepted -- Sendtner's molendoa moss
  Mollia tortuosa var. arctica Arnell -- not accepted
  Mollia viridula Lindb. -- not accepted
  Nanomitrium Lindb. -- not accepted
  Nanomitrium austinii (Sull.) Lindb. -- not accepted
  Nanomitrium austinii var. floridanum Grout -- not accepted
  Nanomitrium megalosporum (Austin) E. Britton -- not accepted
  Nanomitrium synoicum (James) Lindb. -- not accepted
  Nanomitrium wrigthii (Müll. Hal.) L.E. Anderson & V.S. Bryan -- not accepted
  Neckera viticulosoides P. Beauv. -- not accepted
  Neocardotia Thér. & E.B. Bartram -- not accepted
  Neohyophila H.A. Crum -- not accepted
  Neohyophila sprengelii (Schwägr.) H.A. Crum -- not accepted -- Sprengel's neohyophila moss
  Neohyophila sprengelii var. stomatodonta (Cardot) R.H. Zander -- not accepted
  Neohyophila stomatodonta (Cardot) H.A. Crum -- not accepted
  Niphotrichum (Bedn.-Ochyra) Bedn.-Ochyra & Ochyra -- accepted
  Niphotrichum canescens (Hedw.) Bedn.-Ochyra & Ochyra -- accepted
  Niphotrichum canescens ssp. canescens (Hedw.) Bedn.-Ochyra & Ochyra -- accepted
  Niphotrichum canescens ssp. latifolium (Lange & C.E.O. Jensen) Bedn.-Ochyra & Ochyra -- accepted
  Niphotrichum elongatum (Ehrh. ex Frisvoll) Bedn.-Ochyra & Ochyra -- accepted
  Niphotrichum ericoides (Brid.) Bedn.-Ochyra & Ochyra -- accepted
  Niphotrichum muticum (Kindb.) Bedn.-Ochyra & Ochyra -- accepted
  Niphotrichum panschii (Müll. Hal.) Bedn.-Ochyra & Ochyra -- accepted
  Niphotrichum pygmaeum (Frisvoll) Bedn.-Ochyra & Ochyra -- accepted
  Octoblepharum Hedw. -- accepted
  Octoblepharum albidum Hedw. -- accepted
  Octodiceras Brid. -- not accepted
  Octodiceras hallianum (Sull. & Lesq.) A. Jaeger -- not accepted
  Octodiceras julianum var. ohioense Emig -- not accepted
  Oedipodiaceae -- accepted
  Oedipodiella Dixon -- accepted
  Oedipodium Schwägr. -- accepted
  Oedipodium griffithianum (Dicks.) Schwägr. -- accepted -- Griffith's oedipodium moss
  Oligotrichum DC. -- accepted
  Oligotrichum aligerum Mitt. -- accepted
  Oligotrichum falcatum Steere -- accepted -- sickle oligotrichum moss
  Oligotrichum glabratum (Hook.) Lindb. -- not accepted
  Oligotrichum hercynicum (Hedw.) Lam. & DC. -- accepted
  Oligotrichum incurvum (Huds. ex Brid.) Lindb. -- not accepted
  Oligotrichum laevigatum (Wahlenb.) Bruch & Schimp. -- not accepted
  Oligotrichum laevigatum var. cavifolium (Wilson) Frye -- not accepted
  Oligotrichum parallelum (Mitt.) Kindb. -- accepted
  Oncophorus (Brid.) Brid. -- accepted
  Oncophorus glaucescens Lindb. & Arnell -- not accepted
  Oncophorus rauei (Austin) Grout -- accepted
  Oncophorus strumulosus (Müll. Hal. & Kindb.) E. Britton -- not accepted
  Oncophorus virens (Hedw.) Brid. -- accepted
  Oncophorus virens var. serratus (Bruch & Schimp.) Braithw. -- not accepted
  Oncophorus wahlenbergii Brid. -- accepted -- Wahlenberg's oncophorus moss
  Oncophorus wahlenbergii var. compactus (Bruch & Schimp.) Braithw. -- not accepted
  Oreas Brid. -- accepted
  Oreas martiana (Hoppe & Hornsch.) Brid. -- accepted
  Orthodicranum rhabdocarpum (Sull.) Holz. -- not accepted
  Oxystegus (Limpr.) Hilp. -- accepted
  Oxystegus cylindricus (Bruch ex Brid.) Hilp. -- not accepted
  Oxystegus recurvifolius (Taylor) R.H. Zander -- accepted
  Oxystegus spiralis (Grout) H.A. Crum & L.E. Anderson -- accepted -- spiral oxystegus moss
  Oxystegus svihlae (E.B. Bartram) Gangulee -- not accepted
  Oxystegus tenuirostris (Hook. & Taylor) A.J.E. Sm. -- accepted
  Oxystegus tenuirostris var. stenocarpa (Thér.) R.H. Zander -- not accepted
  Ozobryum G.L. Merr. -- not accepted
  Ozobryum ogalalense G.L. Merr. -- not accepted
  Pachyfissidens grandifrons (Brid.) Limpr. -- not accepted
  Paraleptodontium D.G. Long -- not accepted
  Paraleptodontium recurvifolium (Taylor) D.G. Long -- not accepted -- recurved leaf paraleptodontium moss
  Paraleucobryum (Lindb. ex Limpr.) Loeske -- accepted
  Paraleucobryum enerve (Thed.) Loeske -- accepted
  Paraleucobryum longifolium (Ehrh. ex Hedw.) Loeske -- accepted -- longleaf paraleucobryum moss
  Phascum Hedw. -- not accepted
  Phascum acaulon With. -- not accepted
  Phascum alternifolium Dicks. ex Hedw. -- not accepted
  Phascum axillare Dicks. ex Sm. -- not accepted
  Phascum bryoides Dicks. -- not accepted
  Phascum cohaerens Hedw. -- not accepted
  Phascum crassinervium Schwägr. -- not accepted
  Phascum cuspidatum Hedw. -- not accepted -- toothed phascum moss
  Phascum cuspidatum var. americanum Renauld & Cardot -- not accepted
  Phascum cuspidatum var. henrici (Renauld & Cardot) Wijk & Margad. -- not accepted
  Phascum cuspidatum var. piliferum (Hedw.) Hook. & Taylor -- not accepted
  Phascum cuspidatum var. schreberianum (Dicks.) Brid. -- not accepted
  Phascum flexuosum Schwägr. -- not accepted
  Phascum floerkeanum F. Weber & D. Mohr -- not accepted -- Floerkea's phascum moss
  Phascum fosbergii (E.B. Bartram) J. Guerra -- not accepted
  Phascum hyalinotrichum Cardot & Thér. -- not accepted
  Phascum leptophyllum Müll. Hal. -- not accepted
  Phascum ludovicianum Sull. -- not accepted
  Phascum muhlenbergianum Sw. -- not accepted
  Phascum muticum Hedw. -- not accepted
  Phascum nitidum Hedw. -- not accepted
  Phascum palustre Bruch & Schimp. -- not accepted
  Phascum patens Hedw. -- not accepted
  Phascum schimperianum Sull. -- not accepted
  Phascum serratum Schreb. ex Hedw. -- not accepted
  Phascum serratum var. angustifolium Bruch & Schimp. -- not accepted
  Phascum subulatum Hedw. -- not accepted
  Phascum tenerum Bruch & Schimp. -- not accepted
  Phascum triquetrum Spruce -- not accepted
  Phascum vlassovii Laz. -- not accepted -- Vlassov's phascum moss
  Philocrya aspera I. Hagen & C.E.O. Jensen -- not accepted
  Phyllogonium norvegicum Brid. -- not accepted
  Physcomitrella Bruch & Schimp. -- accepted
  Physcomitrella californica H.A. Crum & L.E. Anderson -- not accepted
  Physcomitrella patens (Hedw.) Bruch & Schimp. -- accepted
  Physcomitrella patens ssp. californica (H.A. Crum & L.E. Anderson) B.C. Tan -- not accepted
  Physcomitrella patens ssp. readeri (Müll. Hal.) B.C. Tan -- not accepted
  Physcomitrella readeri (Müll. Hal.) I.G. Stone & G.A.M. Scott -- accepted -- Reader's physcomitrella moss
  Physcomitrium (Brid.) Brid. -- accepted
  Physcomitrium californicum E. Britton -- not accepted
  Physcomitrium collenchymatum Gier -- accepted
  Physcomitrium coloradense E. Britton -- not accepted
  Physcomitrium drummondii E. Britton -- not accepted
  Physcomitrium haringiae Grout -- not accepted
  Physcomitrium hookeri Hampe -- accepted -- Hooker's physcomitrium moss
  Physcomitrium immersum Sull. -- accepted -- immersed physcomitrium moss
  Physcomitrium kellermanii E. Britton -- not accepted
  Physcomitrium megalocarpum Kindb. -- not accepted
  Physcomitrium pygmaeum James -- not accepted -- pygmy physcomitrium moss
  Physcomitrium pyriforme (Hedw.) Hampe -- accepted
  Physcomitrium turbinatum (Michx.) E. Britton -- not accepted
  Plaubelia Brid. -- accepted
  Plaubelia sprengelii (Schwägr.) R.H. Zander -- accepted
  Plaubelia sprengelii var. sprengelii (Schwägr.) R.H. Zander -- accepted
  Plaubelia sprengelii var. stomatodonta (Cardot) R.H. Zander -- accepted
  Pleuridium Rabenh. -- accepted
  Pleuridium acuminatum Lindb. -- accepted -- acuminate pleuridium moss
  Pleuridium alternifolium var. lancastriense Sull. & Lesq. -- not accepted
  Pleuridium alternifolium var. robustum Sull. & Lesq. -- not accepted
  Pleuridium axillare (Dicks. ex Sm.) Lindb. -- not accepted
  Pleuridium bakeri Cardot & Thér. -- not accepted
  Pleuridium bakeri var. elongatum Cardot & Thér. -- not accepted
  Pleuridium bolanderi Müll. Hal. ex A. Jaeger -- not accepted
  Pleuridium californicum Grout -- not accepted -- California pleuridium moss
  Pleuridium nitidum (Hedw.) Rabenh. -- not accepted
  Pleuridium palustre (Bruch & Schimp.) Bruch & Schimp. -- not accepted -- prairie pleuridium moss
  Pleuridium ravenelii Austin -- accepted -- Ravenel's pleuridium moss
  Pleuridium stramineum Lesq. ex Austin -- not accepted
  Pleuridium subulatum (Hedw.) Rabenh. -- accepted
  Pleuridium sullivantii Austin -- accepted -- Sullivant's pleuridium moss
  Pleurochaete Lindb. -- accepted
  Pleurochaete luteola (Besch.) Thér. -- accepted
  Pleurochaete squarrosa (Brid.) Lindb. -- accepted -- square pleurochaete moss
  Pleuroweisia Limpr. ex Schlieph. -- not accepted
  Pogonatum P. Beauv. -- accepted
  Pogonatum alpinum (Hedw.) Röhl. -- not accepted
  Pogonatum alpinum var. arcticum (Sw. ex Brid.) Brid. -- not accepted
  Pogonatum alpinum var. brevifolium (R. Br.) Brid. -- not accepted
  Pogonatum alpinum var. fragile (Bryhn) H.A. Crum -- not accepted
  Pogonatum alpinum var. macounii (Kindb.) Thér. -- not accepted
  Pogonatum alpinum var. septentrionale (Brid.) Brid. -- not accepted
  Pogonatum brachyphyllum (Michx.) P. Beauv. -- accepted
  Pogonatum brevicaule P. Beauv. -- not accepted
  Pogonatum capillare (Michx.) Brid. -- not accepted
  Pogonatum contortum (Menzies ex Brid.) Lesq. -- accepted -- contorted pogonatum moss
  Pogonatum dentatum (Menzies ex Brid.) Brid. -- accepted -- toothed pogonatum moss
  Pogonatum macounii (Kindb.) Macoun & Kindb. -- not accepted
  Pogonatum pensilvanicum (Bartram ex Hedw.) P. Beauv. -- accepted -- Pennsylvania pogonatum moss
  Pogonatum sphaerothecium Besch. -- not accepted
  Pogonatum tenue Rau & Herv. -- not accepted
  Pogonatum urnigerum (Hedw.) P. Beauv. -- accepted
  Polytrichaceae -- accepted
  Polytrichadelphus lyallii Mitt. -- not accepted
  Polytrichastrum G.L. Sm. -- accepted
  Polytrichastrum alpinum (Hedw.) G.L. Sm. -- accepted -- alpine polytrichastrum moss
  Polytrichastrum alpinum var. alpinum (Hedw.) G.L. Sm. -- accepted -- alpine polytrichastrum moss
  Polytrichastrum alpinum var. fragile (Bryhn) D.G. Long -- accepted -- fragile polytrichastrum moss
  Polytrichastrum alpinum var. septentrionale (Brid.) G.L. Sm. -- accepted
  Polytrichastrum alpinum var. sylvaticum (Menzies) G.L. Merr. -- accepted
  Polytrichastrum appalachianum (L.E. Anderson) G.L. Merr. -- accepted
  Polytrichastrum formosum (Hedw.) G.L. Sm. -- accepted
  Polytrichastrum formosum var. densifolium (Wilson ex Mitt.) Z. Iwats. & Nog. -- accepted
  Polytrichastrum formosum var. formosum (Hedw.) G.L. Sm. -- accepted
  Polytrichastrum longisetum (Sw. ex Brid.) G.L. Sm. -- accepted
  Polytrichastrum lyallii (Mitt.) G.L. Sm. -- not accepted
  Polytrichastrum ohioense (Renauld & Cardot) G.L. Sm. -- accepted
  Polytrichastrum pallidisetum (Funck) G.L. Sm. -- accepted
  Polytrichastrum papillatum G.L. Sm. -- accepted
  Polytrichastrum sexangulare (Flörke ex Brid.) G.L. Sm. -- accepted
  Polytrichastrum sexangulare var. sexangulare (Flörke ex Brid.) G.L. Sm. -- accepted
  Polytrichastrum sexangulare var. vulcanicum (C.E.O. Jensen) G.L. Merr. -- accepted
  Polytrichum Hedw. -- accepted
  Polytrichum affine Funck -- not accepted
  Polytrichum algidum I. Hagen & C.E.O. Jensen -- not accepted
  Polytrichum alpestre Hoppe -- not accepted
  Polytrichum alpinum Hedw. -- not accepted
  Polytrichum alpinum var. campanulatum (Hornsch.) Müll. Hal. -- not accepted
  Polytrichum alpinum var. fragile (Bryhn) Nyholm -- not accepted
  Polytrichum alpinum var. septentrionale (Brid.) Lindb. -- not accepted
  Polytrichum alpinum var. sylvaticum (Menzies) Lindb. -- not accepted
  Polytrichum angustatum Brid. -- not accepted
  Polytrichum angustidens H. Lindb. -- not accepted
  Polytrichum appalachianum L.E. Anderson -- not accepted -- Appalachian polytrichum moss
  Polytrichum attenuatum Menzies ex Brid. -- not accepted
  Polytrichum brachyphyllum Michx. -- not accepted
  Polytrichum cavifolium Wilson -- not accepted
  Polytrichum commune Hedw. -- accepted
  Polytrichum commune var. commune Hedw. -- accepted
  Polytrichum commune var. diminutum (I. Hagen) D.G. Long -- not accepted
  Polytrichum commune var. jensenii (I. Hagen) Mönk. -- not accepted -- Jensen's polytrichum moss
  Polytrichum commune var. perigoniale (Michx.) Hampe -- accepted
  Polytrichum commune var. swartzii (Hartm.) Nyholm -- not accepted
  Polytrichum commune var. uliginosum Wallr. -- not accepted
  Polytrichum commune var. yukonense (Cardot & Thér.) Frye -- not accepted
  Polytrichum contortum Menzies ex Brid. -- not accepted
  Polytrichum cylindricum Willd. ex F. Weber -- not accepted
  Polytrichum decipiens Limpr. -- not accepted
  Polytrichum densifolium Wilson ex Mitt. -- not accepted
  Polytrichum dentatum Menzies ex Brid. -- not accepted
  Polytrichum formosum Hedw. -- not accepted
  Polytrichum formosum var. aurantiacum (Hoppe ex Brid.) Hartm. -- not accepted
  Polytrichum formosum var. densifolium (Wilson ex Mitt.) Osada -- not accepted
  Polytrichum fragile Bryhn -- not accepted
  Polytrichum gracile Menzies -- not accepted
  Polytrichum gracile var. anomalum (Milde) I. Hagen -- not accepted
  Polytrichum hercynicum Hedw. -- not accepted
  Polytrichum hyperboreum R. Br. -- accepted
  Polytrichum inconstans I. Hagen -- not accepted
  Polytrichum jensenii I. Hagen -- accepted
  Polytrichum juniperinum Hedw. -- accepted -- juniper polytrichum moss
  Polytrichum juniperinum var. affine (Funck) Brid. -- not accepted
  Polytrichum juniperinum var. alpestre (Hoppe) Röhl. -- not accepted
  Polytrichum juniperinum var. gracilius Wahlenb. -- not accepted
  Polytrichum juniperinum var. waghornei Kindb. -- not accepted
  Polytrichum laevigatum Wahlenb. -- not accepted
  Polytrichum longisetum Sw. ex Brid. -- not accepted
  Polytrichum lyallii (Mitt.) Kindb. -- not accepted -- Lyall's polytrichum moss
  Polytrichum norwegicum Hedw. -- not accepted
  Polytrichum ohioense Renauld & Cardot -- not accepted -- Ohio polytrichum moss
  Polytrichum pallidisetum Funck -- not accepted
  Polytrichum papillatum (G.L. Sm.) L.E. Anderson, H.A. Crum & W.R. Buck -- not accepted -- papilla polytrichum moss
  Polytrichum pensilvanicum Bartram ex Hedw. -- not accepted
  Polytrichum perigoniale Michx. -- not accepted
  Polytrichum piliferum Hedw. -- accepted
  Polytrichum piliferum var. hyperboreum (R. Br.) Müll. Hal. -- not accepted
  Polytrichum septentrionale Brid. -- not accepted
  Polytrichum sexangulare Flörke ex Brid. -- not accepted
  Polytrichum sexangulare var. vulcanicum C.E.O. Jensen -- not accepted
  Polytrichum smithiae Grout -- not accepted
  Polytrichum sphaerothecium (Besch.) Müll. Hal. -- not accepted
  Polytrichum strictum Menzies ex Brid. -- accepted
  Polytrichum swartzii Hartm. -- accepted -- Swartz's polytrichum moss
  Polytrichum sylvaticum Menzies -- not accepted
  Polytrichum undulatum Hedw. -- not accepted
  Polytrichum urnigerum Hedw. -- not accepted
  Polytrichum yukonense Cardot & Thér. -- not accepted
  Pottia (Rchb.) Ehrh. ex Fürnr. -- not accepted
  Pottia arizonica Wareham -- not accepted -- Arizona pottia moss
  Pottia arizonica var. mucronulata Wareham -- not accepted -- Arizona pottia moss
  Pottia bryoides (Dicks.) Mitt. -- not accepted
  Pottia commutata Limpr. -- not accepted
  Pottia davalliana (Sm.) C.E.O. Jensen -- not accepted -- Davall's pottia moss
  Pottia davalliana ssp. commutata (Limpr.) Podp. -- not accepted
  Pottia fosbergii E.B. Bartram -- not accepted
  Pottia heimii (Hedw.) Hampe -- not accepted
  Pottia heimii var. arctica Lindb. -- not accepted
  Pottia heimii var. obtusifolia (Müll. Hal.) I. Hagen -- not accepted
  Pottia heimioides Kindb. -- not accepted
  Pottia intermedia (Turner) Fürnr. -- not accepted -- intermediate pottia moss
  Pottia lanceolata (Hedw.) Müll. Hal. -- not accepted -- lance pottia moss
  Pottia latifolia (Schwägr.) Müll. Hal. -- not accepted
  Pottia nevadensis Cardot & Thér. -- not accepted -- Nevada pottia moss
  Pottia randii Kenn. -- not accepted
  Pottia starckeana (Hedw.) Müll. Hal. -- not accepted
  Pottia starckeana ssp. conica (Schleich. ex Schwägr.) D.F. Chamb. -- not accepted
  Pottia starckeana ssp. minutula (Schwägr.) D.F. Chamb. -- not accepted
  Pottia starckeana var. brachyodus (Bruch & Schimp.) Müll. Hal. -- not accepted
  Pottia texana Wareham -- not accepted
  Pottia truncata (Hedw.) Bruch & Schimp. -- not accepted -- truncate pottia moss
  Pottia truncata var. major (F. Weber & D. Mohr) Bruch & Schimp. -- not accepted
  Pottiaceae -- accepted
  Protobryum J. Guerra & M.J. Cano -- not accepted
  Protobryum bryoides (Dicks.) J. Guerra & M.J. Cano -- not accepted
  Pseudephemerum (Lindb.) I. Hagen -- accepted
  Pseudephemerum nitidum (Hedw.) Loeske -- accepted
  Pseudocrossidium R.S. Williams -- accepted
  Pseudocrossidium aureum (E.B. Bartram) R.H. Zander -- not accepted
  Pseudocrossidium crinitum (Schultz) R.H. Zander -- accepted
  Pseudocrossidium hornschuchianum (Schultz) R.H. Zander -- accepted -- Hornschuch's pseudocrossidium moss
  Pseudocrossidium obtusulum (Lindb.) H.A. Crum & L.E. Anderson -- accepted
  Pseudocrossidium replicatum (Taylor) R.H. Zander -- accepted
  Pseudocrossidium revolutum var. obtusulum (Lindb.) B.C. Tan, R.H. Zander & J. Taylor -- not accepted
  Psilopilum Brid. -- accepted
  Psilopilum arcticum Brid. -- not accepted
  Psilopilum cavifolium (Wilson) I. Hagen -- accepted
  Psilopilum cavifolium var. anomalum (I. Hagen) Broth. -- not accepted
  Psilopilum laevigatum (Wahlenb.) Lindb. -- accepted
  Psilopilum tschuctschicum (Müll. Hal.) Paris -- not accepted
  Pterigynandrum ramondii Lam. & DC. -- not accepted
  Pterygoneurum Jur. -- accepted
  Pterygoneurum arcticum Steere -- not accepted
  Pterygoneurum californicum H.A. Crum -- not accepted -- California pterygoneurum moss
  Pterygoneurum kozlovii Lazarenko -- accepted -- Kozlov's pterygoneurum moss
  Pterygoneurum lamellatum (Lindb.) Jur. -- accepted -- lamella pterygoneurum moss
  Pterygoneurum ovatum (Hedw.) Dixon -- accepted -- ovate pterygoneurum moss
  Pterygoneurum subsessile (Brid.) Jur. -- accepted -- sessile pterygoneurum moss
  Pterygoneurum subsessile var. henrici (Rau) Wareham -- not accepted
  Pterygoneurum subsessile var. kieneri Habeeb -- accepted
  Pterygoneurum subsessile var. subsessile (Brid.) Jur. -- accepted
  Ptychomitriaceae -- accepted
  Ptychomitrium Fürnr. -- accepted
  Ptychomitrium drummondii (Wilson) Sull. -- accepted -- Drummond's ptychomitrium moss
  Ptychomitrium gardneri Lesq. -- accepted -- Gardner's ptychomitrium moss
  Ptychomitrium incurvum (Schwägr.) Spruce -- accepted
  Ptychomitrium leibergii Best -- not accepted -- Leiberg's ptychomitrium moss
  Ptychomitrium serratum Bruch & Schimp. -- accepted -- serrate ptychomitrium moss
  Ptychomitrium sinense (Mitt.) A. Jaeger -- accepted
  Pyramidula Brid. -- accepted
  Pyramidula tetragona (Brid.) Brid. -- accepted
  Racomitrium Brid. -- accepted
  Racomitrium aciculare (Hedw.) Brid. -- not accepted
  Racomitrium aduncoides Bedn.-Ochyra -- not accepted
  Racomitrium affine (Schleich. ex F. Weber & D. Mohr) Lindb. -- not accepted
  Racomitrium afoninae Frisvoll -- not accepted
  Racomitrium alternuatum Müll. Hal. & Kindb. -- not accepted
  Racomitrium brevipes Kindb. -- not accepted
  Racomitrium brevipes var. ericoides Kindb. -- not accepted
  Racomitrium brevipes var. muticum Kindb. -- not accepted
  Racomitrium canadense (Michx.) Brid. -- not accepted
  Racomitrium canescens (Hedw.) Brid. -- not accepted
  Racomitrium canescens ssp. delamarei Renauld & Cardot -- not accepted
  Racomitrium canescens var. ericoides (Brid.) Hampe -- not accepted
  Racomitrium canescens var. latifolium Lange & C.E.O. Jensen -- not accepted -- wideleaf racomitrium moss
  Racomitrium canescens var. lutescens Lesq. & James -- not accepted
  Racomitrium canescens var. muticum (Kindb.) Macoun & Kindb. -- not accepted
  Racomitrium cyclodictyon Cardot & Thér. -- not accepted
  Racomitrium delamarei (Renauld & Cardot) Renauld & Cardot -- not accepted
  Racomitrium depressum Lesq. -- not accepted
  Racomitrium elongatum Ehrh. ex Frisvoll -- not accepted -- elongate racomitrium moss
  Racomitrium ericoides (Brid.) Brid. -- not accepted
  Racomitrium fasciculare (Hedw.) Brid. -- not accepted
  Racomitrium fasciculare var. haplocladon Kindb. -- not accepted
  Racomitrium fasciculare var. nigricans Warnst. -- not accepted
  Racomitrium heterostichum (Hedw.) Brid. -- not accepted
  Racomitrium heterostichum ssp. affine (Schleich. ex F. Weber & D. Mohr) J.J. Amann -- not accepted
  Racomitrium heterostichum var. affine (Schleich. ex F. Weber & D. Mohr) Lesq. -- not accepted
  Racomitrium heterostichum var. gracilescens Bruch & Schimp. -- not accepted
  Racomitrium heterostichum var. macounii (Kindb.) G.N. Jones -- not accepted
  Racomitrium heterostichum var. microcarpum (Hedw.) Boulay -- not accepted
  Racomitrium heterostichum var. occidentale Renauld & Cardot -- not accepted
  Racomitrium heterostichum var. ramulosum (Lindb.) Corb. -- not accepted
  Racomitrium heterostichum var. sudeticum (Funck) E. Bauer -- not accepted
  Racomitrium jensenii Kindb. -- not accepted
  Racomitrium lanuginosum (Hedw.) Brid. -- accepted
  Racomitrium lawtoniae Ireland -- not accepted
  Racomitrium microcarpum (Hedw.) Brid. -- not accepted
  Racomitrium microcarpum var. palmeri Kindb. -- not accepted
  Racomitrium molle Cardot -- not accepted
  Racomitrium neevii (Müll. Hal.) S. Watson -- not accepted
  Racomitrium norrisii Bedn.-Ochyra & Ochyra -- not accepted
  Racomitrium obesum Frisvoll -- not accepted
  Racomitrium occidentale (Renauld & Cardot) Renauld & Cardot -- not accepted -- western racomitrium moss
  Racomitrium oreganum Renauld & Cardot -- not accepted
  Racomitrium pacificum Ireland & J.R. Spence -- not accepted -- Pacific racomitrium moss
  Racomitrium palmeri (Kindb.) Kindb. -- not accepted
  Racomitrium patens (Dicks. ex Hedw.) Huebener -- not accepted
  Racomitrium pygmaeum Frisvoll -- not accepted -- pygmy racomitrium moss
  Racomitrium robustifolium Kindb. -- not accepted
  Racomitrium ryszardii Bedn.-Ochyra -- not accepted
  Racomitrium speciosum (Müll. Hal.) Kindb. -- not accepted
  Racomitrium sudeticum (Funck) Bruch & Schimp. -- not accepted
  Racomitrium sudeticum f. alpinum E. Lawton -- not accepted
  Racomitrium sudeticum var. alaskanum Cardot & Thér. -- not accepted
  Racomitrium sudeticum var. occidentale (Renauld & Cardot) Frye -- not accepted
  Racomitrium sudeticum var. papillosum C.E.O. Jensen -- not accepted
  Racomitrium tenuinerve Kindb. -- not accepted
  Racomitrium varium (Mitt.) A. Jaeger -- not accepted
  Racomitrium venustum Frisvoll -- not accepted
  Rhabdoweisia Bruch & Schimp. -- accepted
  Rhabdoweisia crenulata (Mitt.) H. Jameson -- accepted -- crenulate rhabdoweisia moss
  Rhabdoweisia crispata (Dicks. ex With.) Lindb. -- accepted
  Rhabdoweisia denticulata Bruch & Schimp. -- not accepted
  Rhabdoweisiaceae -- accepted
  Rhachitheciaceae -- accepted
  Rhachithecium Broth. ex Le Jol. -- accepted
  Rhachithecium perpusillum (Thwaites & Mitt.) Broth. -- accepted
  Rhexophyllum Herzog -- accepted
  Rhexophyllum subnigrum (Mitt.) Hilp. -- accepted
  Rottleria Brid. -- not accepted
  Saelania Lindb. -- accepted
  Saelania glaucescens (Hedw.) Broth. -- accepted
  Schistidium Bruch & Schimp. -- accepted
  Schistidium agassizii Sull. & Lesq. -- accepted -- Agassiz's schistidium moss
  Schistidium apocarpum (Hedw.) Bruch & Schimp. -- accepted
  Schistidium atrichum (Müll. Hal. & Kindb.) W.A. Weber -- accepted
  Schistidium atrofuscum (Schimp.) Limpr. -- accepted
  Schistidium boreale Poelt -- accepted
  Schistidium cinclidodonteum (Müll. Hal.) B. Bremer -- accepted
  Schistidium confertum (Funck) Bruch & Schimp. -- accepted
  Schistidium crassipilum H.H. Blom -- accepted
  Schistidium crassithecium H.H. Blom ex B.H. Allen -- accepted
  Schistidium cryptocarpum Mogensen & H.H. Blom -- accepted
  Schistidium dupretii (Thér.) W.A. Weber -- accepted
  Schistidium flaccidum (De Not.) Ochyra -- accepted
  Schistidium flexipile (Lindb. ex Broth.) G. Roth -- accepted
  Schistidium frigidum H.H. Blom -- accepted
  Schistidium frisvollianum H.H. Blom -- accepted
  Schistidium grandirete H.H. Blom -- accepted
  Schistidium heterophyllum (Kindb.) T.T. McIntosh -- accepted
  Schistidium holmenianum Steere & Brassard -- accepted
  Schistidium lancifolium (Kindb.) H.H. Blom -- accepted
  Schistidium liliputanum (Müll. Hal.) Deguchi -- accepted
  Schistidium maritimum (Turner ex Robt. Scott) Bruch & Schimp. -- accepted -- seaside schistidium moss
  Schistidium maritimum ssp. piliferum (I. Hagen) B. Bremer -- not accepted
  Schistidium obtusifolium Ireland & H.A. Crum -- not accepted -- obtuseleaf schistidium moss
  Schistidium occidentale (E. Lawton) S.P. Churchill -- accepted -- western schistidium moss
  Schistidium papillosum Culm. -- accepted
  Schistidium platyphyllum (Mitt.) Kindb. -- not accepted
  Schistidium pulchrum H.H. Blom -- accepted
  Schistidium rivulare (Brid.) Podp. -- accepted -- streamside schistidium moss
  Schistidium rivulare ssp. latifolium (J.E. Zetterst.) B. Bremer -- not accepted
  Schistidium robustum (Nees & Hornsch.) H.H. Blom -- accepted
  Schistidium serratum Hook. & Wilson -- not accepted
  Schistidium strictum (Turner) Loeske ex Martensson -- accepted
  Schistidium subjulaceum H.H. Blom -- accepted
  Schistidium submuticum ssp. arcticum H.H. Blom -- not accepted
  Schistidium tenerum (J.E. Zetterst.) Nyholm -- accepted
  Schistidium teretinerve (Limpr.) Limpr. -- not accepted
  Schistidium trichodon (Brid.) Poelt -- accepted
  Schistidium umbrosum (J.E. Zetterst.) H.H. Blom -- not accepted
  Schistidium venetum H.H. Blom -- accepted
  Schistostega D. Mohr -- accepted
  Schistostega osmundacea D. Mohr -- not accepted
  Schistostega pennata (Hedw.) F. Weber & D. Mohr -- accepted
  Schistostegaceae -- accepted
  Scopelophila (Mitt.) Lindb. -- accepted
  Scopelophila cataractae (Mitt.) Broth. -- accepted -- cataract scopelophila moss
  Scopelophila latifolia (Kindb.) Renauld & Cardot -- not accepted
  Scopelophila ligulata (Spruce) Spruce -- accepted -- ligulate scopelophila moss
  Scouleria Hook. -- accepted -- splashzone moss
  Scouleria aquatica Hook. -- accepted -- blackmat splashzone moss
  Scouleria marginata E. Britton -- accepted -- marginate splashzone moss
  Scouleria muelleri Kindb. -- not accepted
  Scouleriaceae -- accepted
  Seligeria Bruch & Schimp. -- accepted -- small limestone moss
  Seligeria acutifolia Lindb. -- accepted -- acuteleaf small limestone moss
  Seligeria brevifolia (Lindb.) Lindb. -- accepted -- shortleaf small limestone moss
  Seligeria calcarea (Hedw.) Bruch & Schimp. -- accepted -- small limestone moss
  Seligeria campylopoda Kindb. -- accepted -- small limestone moss
  Seligeria careyana Vitt & W.B. Schofield -- accepted -- Carey small limestone moss
  Seligeria diversifolia Lindb. -- accepted -- diverseleaf small limestone moss
  Seligeria donniana (Sm.) Müll. Hal. -- accepted -- Donn's small limestone moss
  Seligeria globifera Hampe -- not accepted
  Seligeria lindigiana Hampe -- not accepted
  Seligeria oelandica C.E.O. Jensen & Medelius -- accepted -- small limestone moss
  Seligeria polaris Berggr. -- accepted -- northern small limestone moss
  Seligeria pusilla (Hedw.) Bruch & Schimp. -- accepted -- small limestone moss
  Seligeria pusilla var. brevifolia Lindb. -- not accepted
  Seligeria recurvata (Hedw.) Bruch & Schimp. -- accepted -- recurved small limestone moss
  Seligeria recurvata var. arcuata Lesq. & James -- not accepted
  Seligeria subcampylopoda Kindb. -- not accepted
  Seligeria subimmersa Lindb. -- accepted -- small limestone moss
  Seligeria tristichoides Kindb. -- accepted -- small limestone moss
  Seligeriaceae -- accepted
  Skitophyllum fontanum Bach. Pyl. -- not accepted
  Solmsiella Müll. Hal. -- accepted
  Solmsiella biseriata (Austin) Steere -- accepted
  Solmsiella kurzii Steere -- not accepted
  Sphagnaceae -- accepted
  Sphagnum L. -- accepted
  Sphagnum acutifolium var. flavicomans Cardot -- not accepted
  Sphagnum acutifolium var. fuscum Schimp. -- not accepted
  Sphagnum acutifolium var. quinquefarium Lindb. -- not accepted
  Sphagnum acutifolium var. robustum Russow -- not accepted
  Sphagnum acutifolium var. subtile Russow -- not accepted
  Sphagnum acutifolium var. tenellum Schimp. -- not accepted
  Sphagnum affine Renauld & Cardot -- accepted
  Sphagnum alaskense R.E. Andrus & Janssens -- accepted
  Sphagnum amblyphyllum (Russow) Zick. -- not accepted
  Sphagnum amblyphyllum var. parvifolium (Sendtn. ex Warnst.) Warnst. -- not accepted
  Sphagnum andersonianum R.E. Andrus -- accepted -- Anderson's sphagnum
  Sphagnum angermanicum Melin -- accepted -- Angerman's sphagnum
  Sphagnum angustifolium (Warnst.) C.E.O. Jensen -- accepted
  Sphagnum annulatum Warnst. -- accepted
  Sphagnum annulatum var. porosum (Schlieph. & Warnst.) Maass & Isov. -- not accepted
  Sphagnum aongstroemii C. Hartm. -- accepted -- Aongstroem's sphagnum
  Sphagnum apiculatum H. Lindb. -- not accepted
  Sphagnum arcticum Flatberg & Frisvoll -- accepted -- arctic sphagnum
  Sphagnum atlanticum R.E. Andrus -- accepted
  Sphagnum auriculatum var. inundatum (Russow) M.O. Hill -- not accepted
  Sphagnum austinii Sull. -- accepted -- Austin's sphagnum
  Sphagnum balticum (Russow) C.E.O. Jensen -- accepted -- Baltic sphagnum
  Sphagnum bartlettianum Warnst. -- accepted -- Bartlett's sphagnum
  Sphagnum bartlettianum var. roseum Warnst. -- not accepted
  Sphagnum beothuk R.E. Andrus -- accepted
  Sphagnum bergianum R.E. Andrus -- accepted
  Sphagnum bolanderi Warnst. -- not accepted
  Sphagnum brevicaule Warnst. -- not accepted
  Sphagnum brevifolium (Lindb.) Röll -- accepted
  Sphagnum capillaceum (F.W. Weiss) Schrank -- not accepted
  Sphagnum capillaceum var. tenellum (Schimp.) A.L. Andrews -- not accepted
  Sphagnum capillaceum var. tenerum (Sull. & Lesq. ex Sull.) H.A. Crum -- not accepted
  Sphagnum capillifolium (Ehrh.) Hedw. -- accepted
  Sphagnum capillifolium var. tenellum (Schimp.) H.A. Crum -- not accepted
  Sphagnum capillifolium var. tenerum (Sull. & Lesq. ex Sull.) H.A. Crum -- not accepted
  Sphagnum capillifolium var. viride Jenn. -- not accepted
  Sphagnum carolinianum R.E. Andrus -- accepted -- Carolina sphagnum
  Sphagnum centrale C.E.O. Jensen -- accepted
  Sphagnum compactum Lam. & DC. -- accepted -- low sphagnum
  Sphagnum compactum var. expositum Maass -- not accepted
  Sphagnum compactum var. imbricatum Warnst. -- not accepted
  Sphagnum contortum Schultz -- accepted -- contorted sphagnum
  Sphagnum contortum var. platyphyllum (Lindb.) Åberg -- not accepted
  Sphagnum cribrosum Lindb. -- accepted
  Sphagnum crispum R.E. Andrus -- not accepted
  Sphagnum cuspidatum Ehrh. ex Hoffm. -- accepted -- toothed sphagnum
  Sphagnum cuspidatum var. brevifolium Lindb. -- not accepted
  Sphagnum cuspidatum var. fallax H. Klinggr. -- not accepted
  Sphagnum cuspidatum var. majus Russow -- not accepted
  Sphagnum cuspidatum var. miquelonense (Renauld & Cardot) Renauld & Cardot -- not accepted
  Sphagnum cuspidatum var. plumosum Nees & Hornsch. -- not accepted
  Sphagnum cuspidatum var. serratum (Austin) Austin -- not accepted
  Sphagnum cuspidatum var. serrulatum (Schlieph.) Schlieph. -- not accepted
  Sphagnum cuspidatum var. torreyi Braithw. -- not accepted
  Sphagnum cyclophyllum Sull. & Lesq. -- accepted
  Sphagnum cymbifolium (Ehrh.) Hedw. -- not accepted
  Sphagnum cymbifolium ssp. austinii (Sull.) Cardot -- not accepted
  Sphagnum cymbifolium var. austinii (Sull.) Warnst. -- not accepted
  Sphagnum cymbifolium var. cordifolium Hartm. -- not accepted
  Sphagnum cymbifolium var. ludovicianum Renauld & Cardot -- not accepted
  Sphagnum cymbifolium var. papillosum (Lindb.) Schimp. -- not accepted
  Sphagnum cymbifolium var. tenellum Brid. -- not accepted
  Sphagnum dusenii (C.E.O. Jensen) Russow & Warnst. -- not accepted
  Sphagnum fallax H. Klinggr. -- accepted
  Sphagnum fallax var. flexuosum (Dozy & Molk.) Nyholm -- not accepted
  Sphagnum fimbriatum Wilson -- accepted
  Sphagnum fimbriatum ssp. concinnum (Berggr.) Flatberg & Frisvoll -- accepted
  Sphagnum fimbriatum ssp. fimbriatum Wilson -- accepted
  Sphagnum fimbriatum var. arcticum C.E.O. Jensen -- not accepted
  Sphagnum fimbriatum var. concinnum (Berggr.) Warnst. -- not accepted
  Sphagnum fimbriatum var. fimbriatum Wilson -- not accepted
  Sphagnum fitzgeraldii Renauld & Cardot -- accepted -- Fitzgerald's sphagnum
  Sphagnum flavicomans (Cardot) Warnst. -- accepted
  Sphagnum flexuosum Dozy & Molk. -- accepted
  Sphagnum flexuosum var. fallax (H. Klinggr.) A.J.E. Sm. -- not accepted
  Sphagnum flexuosum var. ramosissimum R.E. Andrus -- not accepted
  Sphagnum flexuosum var. recurvum Dozy & Molk. -- not accepted
  Sphagnum flexuosum var. tenue (H. Klinggr.) Pilous -- not accepted
  Sphagnum floridanum (Austin) Cardot -- not accepted
  Sphagnum fuscum (Schimp.) H. Klinggr. -- accepted
  Sphagnum garberi Lesq. & James -- not accepted
  Sphagnum girgensohnii Russow -- accepted -- Girgensohn's sphagnum
  Sphagnum grasslii H.A. Crum -- not accepted
  Sphagnum harperi Warnst. -- not accepted
  Sphagnum helleri Warnst. -- not accepted
  Sphagnum henryense Warnst. -- accepted -- Henry's sphagnum
  Sphagnum henryense var. bartletii Warnst. -- not accepted
  Sphagnum imbricatum Hornsch. ex Russow -- accepted
  Sphagnum imbricatum ssp. affine (Renauld & Cardot) Flatberg -- not accepted
  Sphagnum imbricatum ssp. austinii (Sull.) Flatberg -- not accepted
  Sphagnum imbricatum var. affine (Renauld & Cardot) Warnst. -- not accepted
  Sphagnum imbricatum var. arcticum Flatberg -- not accepted
  Sphagnum imbricatum var. laeve Warnst. -- not accepted
  Sphagnum inexspectatum Flatberg -- accepted
  Sphagnum intermedium var. pulchrum Lindb. -- not accepted
  Sphagnum inundatum Russow -- accepted -- water sphagnum
  Sphagnum isoviitae Flatberg -- accepted
  Sphagnum jensenii H. Lindb. -- accepted -- Jensen's sphagnum
  Sphagnum jensenii var. annulatum Warnst. -- not accepted
  Sphagnum junghuhnianum Dozy & Molk. -- accepted -- Junghuhn's sphagnum
  Sphagnum junghuhnianum ssp. pseudomolle (Warnst.) H. Suzuki -- not accepted
  Sphagnum kearneyi Warnst. -- not accepted
  Sphagnum kenaiense R.E. Andrus -- accepted
  Sphagnum labradorense Warnst. -- not accepted
  Sphagnum laricinum var. platyphyllum Lindb. -- not accepted
  Sphagnum laxifolium var. miquelonense Renauld & Cardot -- not accepted
  Sphagnum laxifolium var. serrulatum Schlieph. -- not accepted
  Sphagnum lenense H. Lindb. ex Pohle -- accepted
  Sphagnum lescurii Sull. -- accepted -- Lescur's sphagnum
  Sphagnum lindbergii Schimp. -- accepted -- Lindberg's sphagnum
  Sphagnum lindbergii var. microphyllum Warnst. -- not accepted
  Sphagnum ludovicianum (Renauld & Cardot) Warnst. -- not accepted
  Sphagnum macrophyllum Bernh. ex Brid. -- accepted -- largeleaf sphagnum
  Sphagnum macrophyllum var. burinense Maass -- not accepted -- largeleaf sphagnum
  Sphagnum macrophyllum var. floridanum Austin -- not accepted -- Florida sphagnum
  Sphagnum magellanicum Brid. -- accepted -- Magellan's sphagnum
  Sphagnum majus (Russow) C.E.O. Jensen -- accepted
  Sphagnum majus ssp. majus (Russow) C.E.O. Jensen -- accepted
  Sphagnum majus ssp. norvegicum Flatberg -- accepted
  Sphagnum margaritae H.A. Crum -- not accepted
  Sphagnum mcqueenii R.E. Andrus -- accepted
  Sphagnum mehneri Warnst. -- not accepted
  Sphagnum mendocinum Sull. -- accepted -- Mendocino sphagnum
  Sphagnum mendocinum var. gracilescens Warnst. -- not accepted
  Sphagnum mendocinum var. recurvum Röll -- not accepted
  Sphagnum mendocinum var. robustum Warnst. -- not accepted
  Sphagnum mexicanum Mitt. -- not accepted
  Sphagnum microcarpum Warnst. -- accepted
  Sphagnum microcarpum var. humile Warnst. -- not accepted
  Sphagnum mirum Flatberg & Thingsg. -- accepted
  Sphagnum mississippiense R.E. Andrus -- accepted -- Mississippi sphagnum
  Sphagnum mohrianum Warnst. -- not accepted
  Sphagnum molle Sull. -- accepted
  Sphagnum molluscum Bruch -- not accepted
  Sphagnum mucronatum (Russow) Zick. -- not accepted
  Sphagnum nemoreum var. angermanicum (Melin) Ronning -- not accepted
  Sphagnum nemoreum var. subtile (Russow) Nyholm -- not accepted
  Sphagnum novo-fundlandicum Warnst. -- not accepted
  Sphagnum obtusum Warnst. -- accepted
  Sphagnum oregonense R.E. Andrus -- accepted
  Sphagnum orientale L.I. Savicz -- accepted -- oriental sphagnum
  Sphagnum orlandense Warnst. -- not accepted
  Sphagnum pacificum Flatberg -- accepted -- Pacific sphagnum
  Sphagnum palustre L. -- accepted -- prairie sphagnum
  Sphagnum palustre ssp. intermedium Russow -- not accepted
  Sphagnum palustre var. capillaceum F.W. Weiss -- not accepted
  Sphagnum palustre var. capillifolium Ehrh. -- not accepted
  Sphagnum papillosum Lindb. -- accepted -- papillose sphagnum
  Sphagnum papillosum var. laeve Warnst. -- not accepted
  Sphagnum papillosum var. sublaeve (Limpr. ex Warnst.) Renauld & Cardot -- not accepted
  Sphagnum parvifolium (Sendtn. ex Warnst.) Warnst. -- not accepted
  Sphagnum pentastichum Brid. -- not accepted
  Sphagnum perfoliatum L.I. Savicz -- accepted
  Sphagnum perichaetiale Hampe -- accepted
  Sphagnum platyphyllum (Lindb.) Warnst. -- accepted
  Sphagnum plicatum Warnst. -- not accepted
  Sphagnum plumulosum var. flavicomans (Cardot) A.L. Andrews -- not accepted
  Sphagnum portoricense Hampe -- accepted -- Puerto Rico sphagnum
  Sphagnum pseudomolle Warnst. -- not accepted
  Sphagnum pulchricoma Müll. Hal. -- not accepted
  Sphagnum pulchrum (Lindb.) Warnst. -- accepted
  Sphagnum pylaesii Brid. -- accepted -- Pylaes' sphagnum
  Sphagnum pylaesii var. austinii (Husn.) Warnst. -- not accepted
  Sphagnum pylaesii var. prostratum (Brid.) Cardot -- not accepted
  Sphagnum pylaesii var. ramosum Warnst. -- not accepted
  Sphagnum quinquefarium (Lindb.) Warnst. -- accepted
  Sphagnum recurvum P. Beauv. -- accepted -- recurved sphagnum
  Sphagnum recurvum ssp. amblyphyllum Russow -- not accepted
  Sphagnum recurvum ssp. balticum Russow -- not accepted
  Sphagnum recurvum ssp. mucronatum Russow -- not accepted
  Sphagnum recurvum var. amblyphyllum (Russow) Warnst. -- not accepted
  Sphagnum recurvum var. angustifolium Warnst. -- not accepted
  Sphagnum recurvum var. brevifolium (Lindb.) Warnst. -- not accepted
  Sphagnum recurvum var. fallax (H. Klinggr.) H.K.G. Paul -- not accepted
  Sphagnum recurvum var. parvifolium Sendtn. ex Warnst. -- not accepted
  Sphagnum recurvum var. tenue H. Klinggr. -- not accepted
  Sphagnum rigidum (Nees & Hornsch.) Schimp. -- not accepted
  Sphagnum riparioides Warnst. -- not accepted
  Sphagnum riparium Ångstr. -- accepted -- streamside sphagnum
  Sphagnum rubellum Wilson -- accepted
  Sphagnum rubiginosum Flatberg -- accepted
  Sphagnum rubroflexuosum R.E. Andrus -- accepted
  Sphagnum russowii Warnst. -- accepted -- Russow's sphagnum
  Sphagnum schofieldii H.A. Crum -- not accepted -- Schofield's sphagnum
  Sphagnum sedoides Brid. -- not accepted
  Sphagnum sedoides var. austinii Husn. -- not accepted
  Sphagnum sedoides var. prostratum Brid. -- not accepted
  Sphagnum serratum Austin -- not accepted
  Sphagnum sitchense R.E. Andrus -- accepted
  Sphagnum splendens Maass -- accepted
  Sphagnum squarrosum Crome -- accepted
  Sphagnum squarrosum var. imbricatum Schimp. -- not accepted
  Sphagnum squarrosum var. teres Schimp. -- not accepted
  Sphagnum steerei R.E. Andrus -- accepted -- Steere's sphagnum
  Sphagnum strictum Sull. -- accepted
  Sphagnum subbicolor Hampe -- not accepted
  Sphagnum subfulvum Sjors -- accepted
  Sphagnum subnitens Russow & Warnst. -- accepted
  Sphagnum subnitens var. flavescens Warnst. -- not accepted
  Sphagnum subnitens var. obscurum Warnst. -- not accepted
  Sphagnum subnitens var. viride Warnst. -- not accepted
  Sphagnum subsecundum Nees -- accepted
  Sphagnum subsecundum var. andrusii H.A. Crum -- not accepted -- Andrus' sphagnum
  Sphagnum subsecundum var. carolinianum (R.E. Andrus) H.A. Crum -- not accepted
  Sphagnum subsecundum var. inundatum (Russow) C.E.O. Jensen -- not accepted
  Sphagnum subsecundum var. junsaiense (Warnst.) H.A. Crum -- not accepted
  Sphagnum subsecundum var. platyphyllum (Lindb.) Cardot -- not accepted
  Sphagnum subtile (Russow) Warnst. -- accepted
  Sphagnum sullivantianum Austin -- not accepted
  Sphagnum tabulare Sull. -- not accepted
  Sphagnum talbotianum R.E. Andrus -- accepted
  Sphagnum tenellum (Brid.) Bory -- accepted
  Sphagnum tenerum Sull. & Lesq. ex Sull. -- accepted
  Sphagnum tenerum var. virginicum H.A. Crum & L.E. Anderson -- not accepted
  Sphagnum tenuifolium Warnst. -- not accepted
  Sphagnum teres (Schimp.) Ångstr. -- accepted
  Sphagnum teres var. concinnum Berggr. -- not accepted
  Sphagnum teres var. squarrosulum (Schimp.) Warnst. -- not accepted
  Sphagnum torreyanum Sull. -- accepted -- Torrey's sphagnum
  Sphagnum trinitense Müll. Hal. -- accepted -- Trinity sphagnum
  Sphagnum tundrae Flatberg -- accepted
  Sphagnum vancouveriense Warnst. -- not accepted
  Sphagnum viride Flatberg -- accepted
  Sphagnum waghornei Warnst. -- not accepted
  Sphagnum warnstorfianum Du Rietz -- not accepted
  Sphagnum warnstorfii Russow -- accepted -- Warnstorf's sphagnum
  Sphagnum wieboldtii H.A. Crum -- not accepted
  Sphagnum wilfii H.A. Crum -- accepted -- Wilf's sphagnum
  Sphagnum wulfianum Girg. -- accepted -- Wulf's sphagnum
  Splachnobryaceae -- not accepted
  Splachnobryum Müll. Hal. -- accepted
  Splachnobryum bernoullii Müll. Hal. -- not accepted
  Splachnobryum obtusum (Brid.) Müll. Hal. -- accepted
  Sporledera palustris (Bruch & Schimp.) Schimp. -- not accepted
  Stegonia Venturi -- accepted
  Stegonia hyalinotricha (Cardot & Thér.) R.H. Zander -- accepted
  Stegonia latifolia (Schwägr.) Venturi ex Broth. -- accepted -- wideleaf stegonia moss
  Stegonia latifolia var. latifolia (Schwägr.) Venturi ex Broth. -- accepted
  Stegonia latifolia var. pilifera (Dicks.) Broth. -- accepted
  Stegonia pilifera (Dicks.) H.A. Crum & L.E. Anderson -- not accepted
  Symblepharis Mont. -- accepted
  Symblepharis helicophylla Mont. -- not accepted
  Symblepharis vaginata (Hook. ex Harv.) Wijk & Margad. -- accepted
  Syntrichia Brid. -- accepted
  Syntrichia ammonsiana (H.A. Crum & L.E. Anderson) Ochyra -- accepted
  Syntrichia amphidiacea (Müll. Hal.) R.H. Zander -- accepted
  Syntrichia amplexa (Lesq.) R.H. Zander -- not accepted
  Syntrichia bartramii (Steere) R.H. Zander -- accepted
  Syntrichia bolanderi (Lesq.) R.H. Zander -- not accepted
  Syntrichia cainii (H.A. Crum & L.E. Anderson) R.H. Zander -- accepted
  Syntrichia caninervis Mitt. -- accepted
  Syntrichia chisosa (Magill, Delgad. & L.R. Stark) R.H. Zander -- accepted
  Syntrichia fragilis (Taylor) Ochyra -- accepted
  Syntrichia inermis (Brid.) Bruch -- not accepted
  Syntrichia intermedia Brid. -- not accepted
  Syntrichia laevipila Brid. -- accepted
  Syntrichia latifolia (Bruch ex Hartm.) Huebener -- accepted
  Syntrichia montana Nees -- accepted
  Syntrichia norvegica F. Weber -- accepted
  Syntrichia obtusissima (Müll. Hal.) R.H. Zander -- accepted
  Syntrichia pagorum (Milde) J.J. Amann -- not accepted
  Syntrichia papillosa (Wilson) Jur. -- accepted
  Syntrichia papillosissima (Copp.) Loeske -- accepted
  Syntrichia princeps (De Not.) Mitt. -- accepted
  Syntrichia ruraliformis (Besch.) Mans. -- not accepted
  Syntrichia ruralis (Hedw.) F. Weber & D. Mohr -- accepted
  Syntrichia sinensis (Müll. Hal.) Ochyra -- accepted
  Syntrichia subulata var. inermis Brid. -- not accepted
  Syrrhopodon Schwägr. -- accepted
  Syrrhopodon crispus Austin -- not accepted
  Syrrhopodon excelsus Sull. -- not accepted
  Syrrhopodon filiger (Austin) R.S. Williams -- not accepted
  Syrrhopodon floridanus Sull. -- not accepted
  Syrrhopodon gaudichaudii Mont. -- accepted -- Gaudichaud's syrrhopodon moss
  Syrrhopodon incompletus Schwägr. -- accepted -- incomplete syrrhopodon moss
  Syrrhopodon leanus Sull. ex Lesq. & James -- not accepted
  Syrrhopodon ligulatus Mont. -- accepted -- ligulate syrrhopodon moss
  Syrrhopodon parasiticus (Sw. ex Brid.) Besch. -- accepted -- parasite syrrhopodon moss
  Syrrhopodon prolifer Schwägr. -- accepted
  Syrrhopodon prolifer var. scaber (Mitt.) W.D. Reese -- accepted
  Syrrhopodon rauei Austin -- not accepted
  Syrrhopodon scaber Mitt. -- not accepted
  Syrrhopodon texanus Sull. -- accepted -- Texan syrrhopodon moss
  Takakia S. Hatt. & Inoue -- accepted
  Takakia ceratophylla (Mitt.) Grolle -- accepted
  Takakia lepidozioides S. Hatt. & Inoue -- accepted
  Takakiaceae -- accepted
  Tetraphidaceae -- accepted
  Tetraphis Hedw. -- accepted
  Tetraphis browniana (Dicks.) Grev. -- not accepted
  Tetraphis browniana var. repanda (Funck) Hampe -- not accepted
  Tetraphis cuspidata (Kindb.) Paris -- not accepted
  Tetraphis geniculata Girg. ex Milde -- accepted
  Tetraphis ovata Funck -- not accepted
  Tetraphis pellucida Hedw. -- accepted
  Tetraphis pellucida var. pellucida Hedw. -- accepted
  Tetraphis pellucida var. trachypoda (Kindb.) Harpel -- accepted
  Tetraphis repanda Funck -- not accepted
  Tetraphis rigida R. Hedw. -- not accepted
  Tetrodontium Schwägr. -- accepted
  Tetrodontium brownianum (Dicks.) Schwägr. -- accepted -- Brown's tetrodontium moss
  Tetrodontium brownianum var. brownianum (Dicks.) Schwägr. -- accepted
  Tetrodontium brownianum var. ovatum (Funck) Wijk & Margad. -- accepted
  Tetrodontium ovatum (Funck) Schwägr. -- not accepted -- ovate tetrodontium moss
  Tetrodontium repandum (Funck) Schwägr. -- accepted
  Thysanomitrion uncinatum Harv. -- not accepted
  Timmia Hedw. -- accepted
  Timmia arctica Kindb. -- not accepted
  Timmia austriaca Hedw. -- accepted -- Austria timmia moss
  Timmia austriaca var. arctica (Kindb.) Arnell -- not accepted
  Timmia austriaca var. brevifolia Renauld & Cardot -- not accepted
  Timmia austriaca var. papillosa Hessl. -- not accepted
  Timmia bavarica Hessl. -- not accepted
  Timmia comata Lindb. & Arnell -- not accepted
  Timmia cucullata Michx. -- not accepted
  Timmia megapolitana Hedw. -- accepted
  Timmia megapolitana ssp. bavarica (Hessl.) Brassard -- accepted
  Timmia megapolitana ssp. megapolitana Hedw. -- accepted
  Timmia megapolitana var. bavarica (Hessl.) Brid. -- not accepted -- Bavarian timmia moss
  Timmia norvegica J.E. Zetterst. -- accepted -- Norwegian timmia moss
  Timmia norvegica var. comata (Lindb. & Arnell) H.A. Crum -- not accepted
  Timmia norvegica var. crassiretis Hesselbo -- not accepted
  Timmia norvegica var. excurrens Bryhn -- accepted -- Norwegian timmia moss
  Timmia norvegica var. norvegica J.E. Zetterst. -- accepted -- Norwegian timmia moss
  Timmia sibirica Lindb. & Arnell -- accepted -- Siberian timmia moss
  Timmiaceae -- accepted
  Timmiella (De Not.) Limpr. -- accepted
  Timmiella anomala (Bruch & Schimp.) Limpr. -- accepted
  Timmiella crassinervis (Hampe) L.F. Koch -- accepted
  Timmiella flexiseta var. vancouveriensis (Broth.) Grout -- not accepted
  Timmiella subanomala (Besch.) Broth. -- not accepted
  Timmiella vancouveriensis Broth. -- not accepted
  Tortella (Lindb.) Limpr. -- accepted
  Tortella alpicola Dixon -- accepted
  Tortella arctica (Arnell) Crundw. & Nyholm -- not accepted -- arctic tortella moss
  Tortella caespitosa (Schwägr.) Limpr. -- not accepted
  Tortella densa (Lorentz & Molendo) Crundw. & Nyholm -- not accepted
  Tortella flavovirens (Bruch) Broth. -- accepted
  Tortella fragilis (Hook. & Wilson) Limpr. -- accepted -- fragile tortella moss
  Tortella fragilis var. tortelloides (S.W. Greene) R.H. Zander & Hoe -- not accepted
  Tortella humilis (Hedw.) Jenn. -- accepted
  Tortella inclinata (R. Hedw.) Limpr. -- accepted
  Tortella inclinata var. densa (Lorentz & Molendo) Limpr. -- accepted
  Tortella inclinata var. inclinata (R. Hedw.) Limpr. -- accepted
  Tortella inclinatula (Müll. Hal. & Kindb.) Broth. -- not accepted
  Tortella rigens Alberts. -- accepted
  Tortella tortelloides (S.W. Greene) H. Rob. -- not accepted
  Tortella tortuosa (Hedw.) Limpr. -- accepted -- tortured tortella moss
  Tortella tortuosa var. arctica (Arnell) Broth. -- accepted
  Tortella tortuosa var. fragilifolia (Jur.) Limpr. -- accepted
  Tortella tortuosa var. tortuosa (Hedw.) Limpr. -- accepted
  Tortula Hedw. -- accepted
  Tortula acaulon (With.) R.H. Zander -- accepted
  Tortula acaulon var. pilifera (Hedw.) R.H. Zander -- not accepted
  Tortula acaulon var. schreberiana (Dicks.) R.H. Zander -- not accepted
  Tortula aloides (Koch ex Schultz) De Not. -- not accepted
  Tortula ammonsiana H.A. Crum & L.E. Anderson -- not accepted -- Ammons' tortula moss
  Tortula amphidiacea (Müll. Hal.) Broth. -- not accepted
  Tortula amplexa (Lesq.) Steere -- accepted
  Tortula amplexifolia Mitt. -- not accepted
  Tortula atherodes R.H. Zander -- not accepted
  Tortula atherodes var. pilifera R.H. Zander -- not accepted
  Tortula atherodes var. schreberiana R.H. Zander -- not accepted
  Tortula atrovirens (Sm.) Lindb. -- accepted
  Tortula aurea E.B. Bartram -- not accepted
  Tortula australasiae Hook. & Grev. -- not accepted
  Tortula bartramii Steere -- not accepted -- Bartram's tortula moss
  Tortula bifrons De Not. -- not accepted
  Tortula bistratosa Flowers -- not accepted
  Tortula bolanderi (Lesq.) M. Howe -- accepted -- Bolander's tortula moss
  Tortula brevipes (Lesq.) Broth. -- accepted
  Tortula brevirostris Hook. & Grev. -- not accepted
  Tortula bryoides Hook. -- not accepted
  Tortula cainii H.A. Crum & L.E. Anderson -- not accepted -- Cain's tortula moss
  Tortula californica E.B. Bartram -- accepted -- California tortula moss
  Tortula caninervis (Mitt.) Broth. -- not accepted
  Tortula caroliniana A.L. Andrews -- not accepted
  Tortula cernua (Huebener) Lindb. -- accepted
  Tortula chisosa Magill, Delgad. & L.R. Stark -- not accepted
  Tortula crassinervia De Not. -- not accepted
  Tortula cuneifolia (Dicks.) Turner -- accepted
  Tortula cuneifolia var. blissii R.H. Zander -- accepted
  Tortula deciduidentata (Sharp & Z. Iwats.) R.H. Zander -- accepted
  Tortula eucalyptrata Lindb. -- not accepted
  Tortula euryphylla R.H. Zander -- not accepted
  Tortula fragilis Taylor -- not accepted -- fragile tortula moss
  Tortula gracilis Schleich. ex Hook. & Grev. -- not accepted
  Tortula gregaria Mitt. -- not accepted
  Tortula guepinii (Bruch & Schimp.) Broth. -- accepted
  Tortula hoppeana (Schultz) Ochyra -- accepted
  Tortula inclinata R. Hedw. -- not accepted
  Tortula indica Hook. -- not accepted
  Tortula inermis (Brid.) Mont. -- accepted
  Tortula intermedia (Brid.) De Not. -- not accepted
  Tortula jamaicensis Mitt. -- not accepted
  Tortula laevipila var. meridionalis (Schimp.) Wijk & Margad. -- not accepted
  Tortula lamellata Lindb. -- not accepted
  Tortula lanceola R.H. Zander -- accepted
  Tortula lanceolata (Hedw.) P. Beauv. -- not accepted
  Tortula latifolia Bruch ex Hartm. -- not accepted -- wideleaf tortula moss
  Tortula laureri (Schultz) Lindb. -- accepted
  Tortula leucostoma (R. Br.) Hook. & Grev. -- accepted
  Tortula modica R.H. Zander -- accepted
  Tortula mucronifolia Schwägr. -- accepted -- mucronleaf tortula moss
  Tortula muralis Hedw. -- accepted
  Tortula nevadensis (Cardot & Thér.) R.H. Zander -- accepted
  Tortula norvegica (F. Weber) Lindb. -- not accepted -- Norwegian tortula moss
  Tortula obtusifolia (Schwägr.) Mathieu -- accepted
  Tortula obtusissima (Müll. Hal.) Mitt. -- not accepted -- obtuse tortula moss
  Tortula pagorum (Milde) De Not. -- not accepted
  Tortula papillosa Wilson -- not accepted -- papillose tortula moss
  Tortula papillosissima (Copp.) Broth. -- not accepted
  Tortula plinthobia (Sull. & Lesq.) Broth. -- accepted
  Tortula porteri (James) Broth. -- accepted
  Tortula princeps De Not. -- not accepted
  Tortula propagulosa Sharp -- not accepted
  Tortula protobryoides R.H. Zander -- accepted
  Tortula randii (Kenn.) R.H. Zander -- not accepted
  Tortula rhizophylla (Sakurai) Z. Iwats. & K. Saito -- not accepted
  Tortula ruraliformis (Besch.) Ingham -- not accepted
  Tortula ruralis (Hedw.) G. Gaertn., B. Mey. & Scherb. -- not accepted
  Tortula ruralis var. crinita De Not. -- not accepted
  Tortula ruralis var. hirsuta (Venturi) Paris -- not accepted
  Tortula scotteri R.H. Zander & Steere -- not accepted -- Scotter's tortula moss
  Tortula sinensis (Müll. Hal.) Broth. -- not accepted -- China tortula moss
  Tortula spiralis (Schimp.) Mitt. -- not accepted
  Tortula squamifera (Viv.) De Not. -- not accepted
  Tortula squamifera var. pottioidea De Not. -- not accepted
  Tortula stanfordensis Steere -- not accepted -- Stanford tortula moss
  Tortula suberecta Hook. -- not accepted
  Tortula subnigra Mitt. -- not accepted
  Tortula subulata Hedw. -- accepted
  Tortula systylia (Schimp.) Lindb. -- accepted
  Tortula tortuosa Hedw. -- not accepted
  Tortula truncata (Hedw.) Mitt. -- accepted
  Tortula vectensis E.F. Warb. & Crundw. -- not accepted
  Tortula velenovskyi Schiffn. -- not accepted
  Tortula williamsii E.B. Bartram -- not accepted
  Trematodon Michx. -- accepted
  Trematodon acicularis Kindb. -- not accepted
  Trematodon ambiguus (Hedw.) Hornsch. -- accepted -- ambiguous trematodon moss
  Trematodon ambiguus var. longicollis (Michx.) Arn. -- not accepted
  Trematodon boasii W.B. Schofield -- accepted -- Boas' trematodon moss
  Trematodon brevicollis Hornsch. -- accepted
  Trematodon laetevirens Hakelier & J.-P. Frahm -- accepted
  Trematodon longicollis Michx. -- accepted
  Trematodon montanus Belland & Brassard -- accepted -- montane trematodon moss
  Trichodon Schimp. -- accepted
  Trichodon cylindricus (Hedw.) Schimp. -- accepted
  Trichodon cylindricus var. cylindricus (Hedw.) Schimp. -- accepted
  Trichodon cylindricus var. oblongus (Lindb.) Podp. -- accepted
  Trichodon oblongus Lindb. -- not accepted
  Trichostomopsis Cardot -- not accepted
  Trichostomopsis australasiae (Hook. & Grev.) H. Rob. -- not accepted -- Australasia trichostomopsis moss
  Trichostomopsis brevifolia E.B. Bartram -- not accepted -- shortleaf trichostomopsis moss
  Trichostomopsis crispifolia Cardot -- not accepted
  Trichostomopsis diaphanobasis (Cardot) Grout -- not accepted
  Trichostomopsis fayae Grout -- not accepted
  Trichostomopsis umbrosa (Müll. Hal.) H. Rob. -- not accepted
  Trichostomum Bruch -- accepted
  Trichostomum aciculare (Hedw.) P. Beauv. -- not accepted
  Trichostomum affine Schleich. ex F. Weber & D. Mohr -- not accepted
  Trichostomum aloides Koch ex Schultz -- not accepted
  Trichostomum alpinum Kindb. -- not accepted
  Trichostomum arcticum Kaal. -- accepted -- arctic trichostomum moss
  Trichostomum brachydontium Bruch -- accepted
  Trichostomum canadense Michx. -- not accepted
  Trichostomum canescens Hedw. -- not accepted
  Trichostomum canescens var. ericoides Hedw. -- not accepted
  Trichostomum conicum Hampe ex Müll. Hal. -- not accepted
  Trichostomum crassinerve Hampe -- not accepted
  Trichostomum crispulum Bruch -- accepted
  Trichostomum cuspidatissimum Cardot & Thér. -- not accepted
  Trichostomum cylindricum (Bruch ex Brid.) Müll. Hal. -- not accepted
  Trichostomum cylindricum Hedw. -- not accepted
  Trichostomum ericoides Brid. -- not accepted
  Trichostomum fasciculare Hedw. -- not accepted
  Trichostomum flavovirens Bruch -- not accepted
  Trichostomum funale Schwägr. -- not accepted
  Trichostomum glaucescens Hedw. -- not accepted
  Trichostomum heterostichum Hedw. -- not accepted
  Trichostomum hoppeanum Schultz -- not accepted
  Trichostomum jamaicense (Mitt.) A. Jaeger -- not accepted
  Trichostomum lanuginosum Hedw. -- not accepted
  Trichostomum laureri Schultz -- not accepted
  Trichostomum luteolum Besch. -- not accepted
  Trichostomum microcarpum Hedw. -- not accepted
  Trichostomum molariforme R.H. Zander -- not accepted
  Trichostomum mutabile Bruch -- not accepted
  Trichostomum pallidum Hedw. -- not accepted
  Trichostomum perligulatum (Flowers ex H.A. Crum) R.H. Zander -- not accepted
  Trichostomum planifolium (Dixon) R.H. Zander -- accepted
  Trichostomum portoricense H.A. Crum & Steere -- accepted
  Trichostomum pulvinatum var. alpestre F. Weber & D. Mohr -- not accepted
  Trichostomum recurvifolium (Taylor) R.H. Zander -- not accepted
  Trichostomum spirale Grout -- not accepted
  Trichostomum stenocarpum Wilson -- not accepted
  Trichostomum subanomalum Besch. -- not accepted
  Trichostomum sudeticum Funck -- not accepted
  Trichostomum sulphureum Müll. Hal. -- not accepted
  Trichostomum svihlae E.B. Bartram -- not accepted
  Trichostomum tenue Schrad. -- not accepted
  Trichostomum tenuirostre (Hook. & Taylor) Lindb. -- not accepted
  Trichostomum tenuirostre var. gemmiparum (Schimp.) R.H. Zander -- not accepted
  Trichostomum tenuirostre var. tenuirostre (Hook. & Taylor) Lindb. -- not accepted
  Trichostomum tophaceum Brid. -- not accepted
  Trichostomum tortile Schrad. -- not accepted
  Trichostomum vaginans Sull. -- not accepted
  Triquetrella Müll. Hal. -- accepted
  Triquetrella californica (Lesq.) Grout -- accepted -- California triquetrella moss
  Tuerckheimia Broth. -- accepted
  Tuerckheimia angustifolia (K. Saito) R.H. Zander -- not accepted
  Tuerckheimia svihlae (E.B. Bartram) R.H. Zander -- accepted
  Venturiella Müll. Hal. -- accepted
  Venturiella sinensis (Venturi) Müll. Hal. -- accepted -- China venturiella moss
  Venturiella sinensis var. angustiannulata D.G. Griffin & Sharp ex D.G. Griffin -- accepted -- China venturiella moss
  Venturiella sinensis var. sinensis (Venturi) Müll. Hal. -- accepted
  Weissia Hedw. -- accepted
  Weissia acuta Hedw. -- not accepted
  Weissia andersoniana R.H. Zander -- not accepted -- Anderson's weissia moss
  Weissia andrewsii E.B. Bartram -- not accepted
  Weissia brachycarpa (Nees & Hornsch.) Jur. -- accepted
  Weissia brandegei Austin -- not accepted
  Weissia calcarea Hedw. -- not accepted
  Weissia capillacea Hedw. ex Brid. -- not accepted
  Weissia cataractae Mitt. -- not accepted
  Weissia cirrata Hedw. -- not accepted
  Weissia compacta Schwägr. -- not accepted
  Weissia condensa (Voit) Lindb. -- accepted -- condensed weissia moss
  Weissia controversa Hedw. -- accepted -- controverial weissia moss
  Weissia controversa var. australis (Austin) Schornh. -- not accepted
  Weissia controversa var. longiseta (Lesq. & James) H.A. Crum, Steere & L.E. Anderson -- not accepted
  Weissia controversa var. wolffii (Lesq. & James) H.A. Crum, Steere & L.E. Anderson -- not accepted
  Weissia crispula Hedw. -- not accepted
  Weissia curvicaulis Brid. -- not accepted
  Weissia heteromalla Hedw. -- not accepted
  Weissia incurva Schwägr. -- not accepted
  Weissia inoperculata (H.A. Crum) H.A. Crum, Steere & L.E. Anderson -- accepted
  Weissia jamaicensis (Mitt.) Grout -- accepted -- Jamaican weissia moss
  Weissia latifolia Schwägr. -- not accepted
  Weissia ligulifolia (E.B. Bartram) Grout -- accepted
  Weissia longipes Sommerf. -- not accepted
  Weissia longiseta Lesq. & James -- not accepted
  Weissia ludoviciana (Sull.) W.D. Reese & B.A.E. Lemmon -- accepted
  Weissia martiana Hoppe & Hornsch. -- not accepted
  Weissia microdonta Hedw. ex Brid. -- not accepted
  Weissia muhlenbergiana (Sw.) W.D. Reese & B.A.E. Lemmon -- accepted
  Weissia obtusa Brid. -- not accepted
  Weissia occidentalis (Flowers) A.H. Stoneb. -- accepted
  Weissia perligulata Flowers ex H.A. Crum -- not accepted
  Weissia phascopsis R.H. Zander -- accepted
  Weissia planifolia Dixon -- not accepted
  Weissia pusilla Hedw. -- not accepted
  Weissia recurvirostris Hedw. -- not accepted
  Weissia recurvirostris var. insignis Dixon -- not accepted
  Weissia rostellata var. phascoides (Hook.) W.D. Reese & B.A.E. Lemmon -- not accepted
  Weissia sharpii L.E. Anderson & B.A.E. Lemmon -- accepted -- Sharp's weissia moss
  Weissia starckeana Hedw. -- not accepted
  Weissia sweetii E.B. Bartram -- not accepted
  Weissia tenuirostris Hook. & Taylor -- not accepted
  Weissia verticillata Brid. -- not accepted
  Weissia viridula var. nitida Renauld & Cardot -- not accepted
  Weissia wolffii Lesq. & James -- not accepted
  Wildia (Müll. Hal.) Broth. -- accepted
  Zygodon gracilis var. americanus Grout -- not accepted
  Zygodon perpusillus Thwaites & Mitt. -- not accepted
  Zygodon sullivantii Müll. Hal. -- not accepted
   

A gray bar