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Taxon author: Piper

ITIS records citing taxon author "Piper"
 
 Kingdom Animalia
  Mesenchytraeus chaunus Piper, MacLean & Christensen, 1982 -- valid
  Mesenchytraeus diverticulatus Piper, MacLean & Christensen, 1982 -- valid
  Mesenchytraeus kontrimavichusi Piper, MacLean & Christensen, 1982 -- valid
  Mesenchytraeus svetae Piper, MacLean & Christensen, 1982 -- valid
  Mesenchytraeus tundrus Piper, MacLean & Christensen, 1982 -- valid
 
 Kingdom Plantae
  Achillea eradiata Piper -- not accepted
  Achillea lanulosa var. eradiata (Piper) M. Peck -- not accepted
  Achillea millefolium ssp. lanulosa (Nutt.) Piper -- not accepted
  Achillea millefolium var. lanulosa (Nutt.) Piper -- not accepted
  Achnatherum thurberianum (Piper) Barkworth -- accepted -- Thurber's needlegrass
  Aconitum columbianum ssp. pallidum Piper -- not accepted
  Agastache occidentalis (Piper) A. Heller -- accepted -- western giant hyssop
  Agoseris glauca ssp. scorzonerifolia (Schrad.) Piper -- not accepted
  Agoseris heterophylla ssp. californica (Nutt.) Piper -- not accepted
  Agoseris heterophylla ssp. normalis Piper -- not accepted
  Agropyron albicans var. griffithii (Scribn. & J.G. Sm. ex Piper) Beetle -- not accepted
  Agropyron albicans var. griffithsii (Scribn. & J.G. Sm. ex Piper) Beetle -- not accepted
  Agropyron biflorum ssp. andinum (Scribn. & J.G. Sm.) Piper -- not accepted
  Agropyron biflorum ssp. latiglume (Scribn. & J.G. Sm.) Piper -- not accepted
  Agropyron flexuosum (Piper) Piper -- not accepted
  Agropyron griffithii Scribn. & J.G. Sm. ex Piper -- not accepted
  Agropyron griffithsii Scribn. & J.G. Sm. ex Piper -- not accepted
  Agropyron saxicola (Scribn. & J.G. Sm.) Piper -- not accepted
  Agropyron spicatum ssp. puberulentum Piper -- not accepted
  Agropyron subvillosum Piper -- not accepted
  Agropyron tenerum ssp. magnum (Scribn. & J.G. Sm.) Piper -- not accepted
  Agropyron tenerum ssp. majus (Vasey) Piper -- not accepted
  Agropyron tenerum ssp. trichocoleum Piper -- not accepted
  Agropyron trachycaulum var. trichocoleum (Piper) Malte -- not accepted
  Agropyron X saxicola (Scribner & J.G. Smith) Piper (pro sp.) -- not accepted
  Allium miser Piper -- not accepted
  Allocarya acanthocarpa Piper -- not accepted
  Allocarya californica var. minuta (Piper) Jeps. & Hoover -- not accepted
  Allocarya figurata Piper -- not accepted
  Allocarya glyptocarpa Piper -- not accepted
  Allocarya granulata Piper -- not accepted
  Allocarya hirta ssp. corallicarpa (Piper) Abrams -- not accepted
  Allocarya hystricula Piper -- not accepted
  Allocarya lamprocarpa Piper -- not accepted
  Allocarya stipitata ssp. micrantha Piper -- not accepted
  Allocarya undulata Piper -- not accepted
  Alopecurus pallescens Piper -- not accepted
  Alsine viridula Piper -- not accepted
  Amelanchier basalticola Piper -- not accepted
  Amelanchier cuneata Piper -- not accepted
  Andropogon halepensis ssp. anatherus Piper -- not accepted
  Andropogon halepensis var. sudanensis (Piper) Suess. -- not accepted
  Andropogon sorghum ssp. abyssinicus Piper -- not accepted
  Andropogon sorghum ssp. sudanensis Piper -- not accepted
  Andropogon sorghum ssp. verticilliflorus (Steud.) Piper -- not accepted
  Andropogon sorghum var. sudanensis Piper -- not accepted
  Andropogon sudanensis (Piper) Leppan & Bosman -- not accepted
  Antennaria concolor Piper -- not accepted
  Antennaria dimorpha var. latisquama (Piper) M. Peck -- not accepted
  Antennaria hendersonii Piper -- not accepted
  Antennaria latisquama Piper -- not accepted
  Antennaria leucophaea Piper -- not accepted
  Arabis furcata var. olympica (Piper) Rollins -- not accepted -- Columbia Gorge rockcress
  Arabis macella Piper -- not accepted
  Arabis olympica Piper -- accepted
  Arabis whitedii Piper -- not accepted
  Arceuthobium laricis (Piper) H. St. John -- not accepted -- larch dwarf mistletoe
  Arctostaphylos columbiana Piper -- accepted -- Columbia manzanita, hairy manzanita
  Arctostaphylos columbiana ssp. columbiana Piper -- not accepted -- hairy manzanita
  Aristida purpurea ssp. robusta (Merr.) Piper -- not accepted
  Arnica longifolia ssp. myriadenia (Piper) Maguire -- not accepted
  Artemisia suksdorfii Piper -- accepted -- coastal wormwood
  Asarum marmoratum Piper -- accepted -- marbled wildginger
  Aster columbianus Piper -- not accepted
  Aster diabolicus Piper -- not accepted
  Aster glossophyllus Piper -- not accepted
  Aster gormanii (Piper) S.F. Blake -- not accepted
  Aster jessicae Piper -- not accepted -- Jessica's aster
  Aster paludicola Piper -- not accepted
  Aster paludicola var. paludicola Piper -- not accepted
  Aster shastensis var. glossophyllus (Piper) Cronquist -- not accepted
  Aster X columbianus Piper (pro sp.) -- not accepted -- Columbian aster
  Astragalus palousensis Piper -- not accepted
  Astragalus peckii Piper -- accepted -- Peck's milkvetch
  Astragalus sinuatus Piper -- accepted -- Whited milk-vetch, Whited's milkvetch
  Astragalus whitedii Piper -- not accepted
  Boykinia intermedia (Piper) G.N. Jones -- accepted -- Sierra brookfoam
  Boykinia major var. intermedia Piper -- not accepted
  Bromus carinatus var. maritimus (Piper) C.L. Hitchc. -- not accepted
  Bromus eximius (Shear) Piper -- not accepted
  Bromus eximius ssp. robustus (Shear) Piper -- not accepted
  Bromus eximius ssp. umbraticus Piper -- not accepted
  Bromus marginatus ssp. maritimus Piper -- not accepted
  Bromus maritimus (Piper) Hitchc. -- accepted -- seaside brome
  Cacalia nardosmia var. glabrata (Piper) B. Boivin -- not accepted
  Cacaliopsis nardosmia var. glabrata Piper -- not accepted
  Calamagrostis deschampsioides ssp. macrantha Piper ex Scribn. & Merr. -- not accepted
  Calamagrostis deschampsioides var. macrantha (Piper ex Scribn. & Merr.) Tzvelev -- not accepted
  Calamagrostis macrantha (Piper ex Scribn. & Merr.) V.N. Vassil. -- not accepted
  Calochortus nanus (Alph. Wood) Piper -- not accepted
  Calochortus subalpinus Piper -- accepted -- subalpine mariposa lily
  Camassia quamash ssp. walpolei (Piper) Gould -- accepted -- Walpole's small camas
  Campe barbarea (L.) W. Wight ex Piper -- not accepted
  Campe stricta auct. non (Andrz.) W. Wight ex Piper -- not accepted
  Canavalia campylocarpa Piper -- accepted -- jeweled jackbean
  Canavalia dictyota Piper -- not accepted
  Canavalia nitida (Cav.) Piper -- accepted -- Bahama baybean
  Canavalia plagiosperma Piper -- accepted -- obliqueseeded jackbean
  Cardamine callosicrenata Piper -- not accepted
  Cardamine kamtschatica (Regel) Piper -- not accepted
  Cardamine oregona Piper -- not accepted
  Carex cusickii Mack. ex Piper & Beattie -- accepted -- Cusick's sedge
  Carex magnifica Dewey ex Piper -- not accepted
  Carex phaeocephala Piper -- accepted -- dunehead sedge, dunhead sedge
  Cassiope mertensiana var. gracilis (Piper) C.L. Hitchc. -- accepted -- western moss heather
  Castilleja angustifolia var. whitedii Piper -- not accepted
  Castilleja brevilobata Piper -- not accepted -- short-lobed red paintbrush
  Castilleja chlorotica Piper -- accepted -- green-tinged paintbrush, greentinge Indian paintbrush
  Castilleja elata Piper -- not accepted
  Castilleja flava var. rustica (Piper) N.H. Holmgren -- accepted -- country Indian paintbrush
  Castilleja hispida ssp. brevilobata (Piper) T.I. Chuang & Heckard -- accepted -- short-lobe Indian paintbrush
  Castilleja mexicana var. elata (Piper) Munz -- not accepted
  Castilleja miniata ssp. elata (Piper) Munz -- accepted -- Siskiyou Indian paintbrush
  Castilleja rubida Piper -- accepted -- little reddish Indian paintbrush
  Castilleja rupicola Piper ex Fernald -- accepted -- cliff Indian paintbrush
  Castilleja rustica Piper -- not accepted
  Centaurium exaltatum (Griseb.) W. Wight ex Piper -- not accepted -- desert centaury, Great Basin centaury
  Centaurium muehlenbergii (Griseb.) W. Wight ex Piper -- not accepted -- June centaury, Muhlenberg's centaury
  Ceratochloa maritima (Piper) Holub -- not accepted
  Chrysothamnus nauseosus ssp. graveolens (Nutt.) Piper -- not accepted
  Chrysothamnus nauseosus var. graveolens (Nutt.) Piper ex H.M. Hall -- not accepted
  Cirsium oreganum Piper -- not accepted
  Cirsium palousense Piper -- not accepted
  Clarkia amoena ssp. caurina (Abrams ex Piper) F.H. Lewis & M.E. Lewis -- accepted -- farewell to spring
  Clarkia amoena var. caurina (Abrams ex Piper) C.L. Hitchc. -- not accepted
  Clarkia gracilis (Piper) A. Nelson & J.F. Macbr. -- accepted -- slender clarkia
  Clarkia gracilis ssp. gracilis (Piper) A. Nelson & J.F. Macbr. -- accepted -- slender clarkia
  Claytonia howellii (S. Watson) Piper -- not accepted
  Collinsia tenella (Pursh) Piper -- not accepted
  Crepis modocensis ssp. glabraeosa (Piper) Babc. & Stebbins -- not accepted
  Crepis modocensis ssp. glareosa (Piper) Babc. & Stebbins -- accepted -- Modoc hawksbeard
  Cryptantha hendersonii (A. Nelson) Piper ex J.C. Nelson -- not accepted
  Cryptantha spiculifera (Piper) Payson -- accepted -- Snake River cryptantha
  Cryptantha suffruticosa Piper -- not accepted
  Danthonia pinetorum (Piper) Piper -- not accepted
  Danthonia spicata var. pinetorum Piper -- not accepted
  Delphinium cyanoreios Piper -- not accepted
  Delphinium xantholeucum Piper -- accepted -- northwestern larkspur, yellow white larkspur
  Disporum smithii (Hook.) Piper -- not accepted -- largeflower fairybells
  Distichlis multinervosa (Vasey) Piper -- not accepted
  Dodecatheon conjugens ssp. leptophyllum (Suksd.) Piper -- not accepted
  Dodecatheon conjugens ssp. viscidum (Piper) H.J. Thomps. -- not accepted -- Bonneville shootingstar
  Dodecatheon conjugens var. viscidum (Piper) H. Mason ex H. St. John -- not accepted
  Dodecatheon puberulum (Nutt.) Piper -- not accepted
  Dodecatheon viscidum Piper -- not accepted
  Eleocharis acicularis var. bella Piper -- not accepted
  Eleocharis bella (Piper) Svenson -- accepted -- beautiful spikerush
  Elymus albicans var. griffithii (Scribn. & J.G. Sm. ex Piper) Dorn -- not accepted
  Elymus albicans var. griffithsii (Scribn. & J.G. Sm. ex Piper) Dorn -- not accepted
  Elymus cinereus var. pubens (Piper) C.L. Hitchc. -- not accepted
  Elymus condensatus f. pubens (Piper) H. St. John -- not accepted
  Elymus condensatus var. pubens Piper -- not accepted
  Elymus curvatus Piper -- accepted
  Elymus giganteus var. virescens (Piper) Gould -- not accepted
  Elymus glaucus ssp. virescens (Piper) Gould -- accepted -- blue wildrye
  Elymus glaucus ssp. virescens (Piper) Á. Löve -- not accepted
  Elymus glaucus var. virescens (Piper) Bowden -- not accepted
  Elymus griffithii (Scribn. & J.G. Sm. ex Piper) Á. Löve -- not accepted
  Elymus griffithsii (Scribn. & J.G. Sm. ex Piper) Á. Löve -- not accepted
  Elymus leckenbyi (Piper) Piper -- not accepted
  Elymus virescens Piper -- not accepted
  Epicampes crassiculmis Piper -- not accepted
  Epicampes leptoura Piper -- not accepted
  Epicampes macrotis Piper -- not accepted
  Epilobium adenocaulon var. cinerascens (Piper) M. Peck -- not accepted
  Epilobium mirabile Trel. ex Piper -- accepted -- Olympic Mountain willowherb
  Erigeron acris ssp. debilis (A. Gray) Piper -- not accepted -- bitter fleabane
  Erigeron angulosus ssp. debilis (A. Gray) Piper -- not accepted
  Erigeron chrysopsidis var. brevifolius Piper -- accepted -- dwarf yellow fleabane
  Erigeron leibergii Piper -- accepted -- Leiberg's fleabane
  Erigeron linearis (Hook.) Piper -- accepted -- desert yellow fleabane, linearleaf daisy
  Eriogonum umbellatum ssp. majus (Hook.) Piper -- not accepted
  Eriogonum umbellatum var. hypoleium (Piper) C.L. Hitchc. -- accepted -- sulphur-flower buckwheat
  Erysimum arenicola var. torulosum (Piper) C.L. Hitchc. -- not accepted -- cascade wallflower
  Erysimum torulosum Piper -- not accepted
  Erythronium grandiflorum ssp. candidum Piper -- accepted -- yellow avalanche-lily
  Erythronium grandiflorum var. candidum (Piper) Abrams -- not accepted
  Eucephalus gormanii Piper -- accepted -- Gorman's aster
  Festuca aristulata (Torr.) Shear ex Piper -- not accepted
  Festuca aristulata ssp. parishii Piper -- not accepted
  Festuca aristulata var. aristulata (Torr.) Shear ex Piper -- not accepted
  Festuca californica ssp. parishii (Piper) Darbysh. -- accepted
  Festuca californica var. parishii (Piper) Hitchc. -- not accepted -- California fescue
  Festuca calligera (Piper) Rydb. -- accepted -- southwest fescue
  Festuca callosa (Piper) St.-Yves -- accepted
  Festuca confinis ssp. rabiosa Piper -- not accepted
  Festuca confusa Piper -- not accepted
  Festuca densiuscula (Hack. ex Piper) E.B. Alexeev -- not accepted
  Festuca eastwoodae Piper -- not accepted
  Festuca eastwoodiae Piper -- not accepted
  Festuca elmeri ssp. luxurians Piper -- not accepted
  Festuca grayi (Abrams) Piper -- not accepted
  Festuca hallii (Vasey) Piper -- accepted -- Hall's fescue, plains rough fescue
  Festuca johnsonii (Vasey) Piper -- not accepted
  Festuca kingii var. rabiosa (Piper) Hitchc. -- not accepted
  Festuca mirabilis Piper -- not accepted
  Festuca nutans var. palustris Muhl. ex Piper -- not accepted
  Festuca octoflora ssp. hirtella Piper -- not accepted
  Festuca octoflora var. hirtella (Piper) Hitchc. -- not accepted
  Festuca ovina ssp. brachyphylla (Schult. & Schult. f.) Piper -- not accepted
  Festuca ovina ssp. calligera Piper -- not accepted
  Festuca ovina ssp. callosa Piper -- not accepted
  Festuca ovina ssp. elliptica (Beal) Piper -- not accepted
  Festuca pacifica Piper -- not accepted
  Festuca pacifica var. pacifica Piper -- not accepted
  Festuca parishii (Piper) Hitchc. -- not accepted -- Parish's California fescue
  Festuca prolifera (Piper) Fernald -- accepted -- prolific fescue
  Festuca prolifera var. prolifera (Piper) Fernald -- not accepted
  Festuca rosei Piper -- accepted
  Festuca rubra ssp. densiuscula Hack. ex Piper -- not accepted
  Festuca rubra ssp. glaucodea Piper -- not accepted
  Festuca rubra ssp. megastachya (Gaudin) Piper -- not accepted
  Festuca rubra ssp. megastachys (Gaudin) Piper -- not accepted
  Festuca rubra ssp. multiflora Piper -- not accepted
  Festuca rubra ssp. prolifera Piper -- not accepted
  Festuca rubra ssp. pruinosa (Hack.) Piper -- accepted -- red fescue
  Festuca rubra subvar. densiuscula (Hack. ex Piper) St.-Yves -- not accepted
  Festuca rubra var. densiuscula (Hack. ex Piper) Hitchc. -- not accepted
  Festuca rubra var. prolifera (Piper) B.L. Rob. -- not accepted
  Festuca sororia Piper -- accepted -- ravine fescue
  Festuca subulata var. sororia (Piper) St.-Yves -- not accepted
  Festuca suksdorfii Piper ex Suksd. -- not accepted
  Festuca tolucensis ssp. aequipaleata (E. Fourn.) Piper -- not accepted
  Galium kamtschaticum var. oreganum (Britton) Piper -- not accepted
  Galium multiflorum ssp. puberulum Piper -- not accepted
  Galium multiflorum var. puberulum (Piper) H. St. John -- not accepted
  Galium serpenticum ssp. puberulum (Piper) Dempster & Ehrend. -- accepted -- Intermountain bedstraw
  Galium trifidum ssp. pacificum (Wiegand) Piper -- not accepted
  Galium trifidum ssp. subbiflorum (Wiegand) Piper -- accepted -- three-petal bedstraw, threepetal bedstraw
  Galium watsonii ssp. puberulum (Piper) Ehrend. -- not accepted
  Geum gracilipes (Piper) M. Peck -- not accepted
  Geum idahoense (Piper) Smedmark -- not accepted
  Glyceria borealis (Nash) Piper -- not accepted
  Glyceria occidentalis (Piper) J.C. Nelson -- not accepted -- northwestern mannagrass, western mannagrass
  Glyceria X occidentalis (Piper) J.C. Nelson -- accepted
  Grindelia columbiana (Piper) Rydb. -- not accepted -- Columbia River gumweed
  Grindelia nana ssp. columbiana Piper -- not accepted
  Hackelia arida (Piper) I.M. Johnst. -- not accepted
  Hackelia cinerea (Piper) I.M. Johnst. -- accepted -- gray stickseed
  Hackelia cusickii (Piper) Brand -- accepted -- Cusick's stickseed
  Hackelia diffusa var. arida (Piper) R.L. Carr -- accepted -- sagebrush stickseed
  Hackelia diffusa var. cottonii (Piper) R.L. Carr -- accepted -- Cotton's stickseed
  Hackelia saxatilis (Piper) Brand -- not accepted
  Hackelia setosa (Piper) I.M. Johnst. -- accepted -- bristly stickseed
  Hackelia velutina (Piper) I.M. Johnst. -- accepted -- velvet stickseed, velvety stickseed
  Hackelia venusta (Piper) H. St. John -- accepted -- lesser showy stickseed, showy stickseed
  Halimolobos whitedii (Piper) Rollins -- not accepted -- Whited's fissurewort
  Hesperochloa (Piper) Rydb. -- not accepted
  Hesperochloa kingii var. rabiosa (Piper) Swallen -- not accepted
  Heuchera chlorantha Piper -- accepted -- green-flowered alumroot, meadow alumroot, narrow-flowered alumroot, tall alumroot
  Holcus sorghum var. sudanensis (Piper) Hitchc. -- not accepted
  Holcus sudanensis (Piper) L.H. Bailey -- not accepted
  Hosackia americana (Nutt.) Piper -- not accepted
  Iris tenax ssp. gormanii Piper -- not accepted
  Iris tenax var. gormanii (Piper) R.C. Foster -- not accepted
  Juncus brachystylus (Engelm.) Piper -- not accepted
  Juncus covillei Piper -- accepted -- Coville's rush
  Juncus covillei var. covillei Piper -- accepted -- Coville's rush
  Juncus effusus ssp. pacificus (Fernald & Wiegand) Piper & Beattie -- accepted -- Pacific rush
  Juncus hesperius (Piper) Lint -- accepted -- lamp rush
  Lappula arida Piper -- not accepted
  Lathyrus holochlorus (Piper) C.L. Hitchc. -- accepted -- thinleaf pea
  Lathyrus lanszwertii ssp. aridus (Piper) Bradshaw -- not accepted
  Lathyrus lanszwertii var. aridus (Piper) Jeps. -- accepted -- Nevada pea
  Lathyrus ochropetalus Piper -- not accepted
  Lathyrus pauciflorus ssp. brownii (Eastw.) Piper -- not accepted
  Lathyrus pauciflorus ssp. utahensis (M.E. Jones) Piper -- not accepted
  Lathyrus pauciflorus var. tenuior (Piper) H. St. John -- not accepted
  Lathyrus peckii Piper -- not accepted
  Lathyrus vestitus ssp. ochropetalus (Piper) C.L. Hitchc. -- not accepted
  Lathyrus vestitus var. ochropetalus (Piper) Isely -- accepted -- white-flowered Pacific pea
  Ledum columbianum Piper -- not accepted
  Ledum glandulosum ssp. columbianum (Piper) C.L. Hitchc. -- not accepted
  Ledum glandulosum var. columbianum (Piper) C.L. Hitchc. -- not accepted
  Ledum X columbianum Piper (pro sp.) -- not accepted -- coast Labrador tea
  Lewisia longipetala (Piper) S. Clay -- accepted -- long-petaled lewisia, Truckee lewisia
  Lewisia pygmaea ssp. longipetala (Piper) Ferris -- not accepted
  Listera caurina Piper -- not accepted -- northwestern twayblade
  Lomatium macrocarpum var. artemisiarum Piper -- not accepted
  Luetkea cinerascens (Piper) A. Heller -- not accepted
  Luina nardosmia var. glabrata (Piper) Cronquist -- not accepted
  Lupinus alpicola L.F. Hend. ex Piper -- accepted -- Mt. Adams lupine
  Lupinus arcticus ssp. subalpinus (Piper & B.L. Rob.) D.B. Dunn -- accepted -- subalpine lupine
  Lupinus arcticus var. subalpinus (Piper & B.L. Rob.) C.P. Sm. -- not accepted
  Lupinus brachypodus Piper -- not accepted
  Lupinus cusickii ssp. brachypodus (Piper) B.J. Cox -- accepted -- Cusick's lupine
  Lupinus gormanii Piper -- accepted -- Gorman's lupine
  Lupinus latifolius var. subalpinus (Piper & B.L. Rob.) C.P. Sm. -- not accepted
  Lupinus saxosus var. subsericeus (B.L. Rob. ex Piper) C.P. Sm. -- accepted -- rock lupine
  Lupinus subalpinus Piper & B.L. Rob. -- not accepted
  Lupinus subsericeus B.L. Rob. ex Piper -- not accepted
  Machaeranthera canescens var. viscosa (Nutt.) Piper -- not accepted
  Machaeranthera shastensis var. glossophylla (Piper) Cronquist & D.D. Keck -- not accepted
  Madia sativa ssp. capitata (Nutt.) Piper -- not accepted
  Melica bella Piper -- not accepted
  Melica bella ssp. intonsa Piper -- not accepted
  Melica bella var. intonsa Piper -- not accepted
  Melica bulbosa var. intonsa (Piper) M. Peck -- not accepted
  Melica fugax ssp. madophylla Piper -- not accepted
  Melica harfordii ssp. tenuior Piper -- not accepted
  Melica montezumae Piper -- accepted -- Montezuma melicgrass
  Melica nitens (Scribn.) Nutt. ex Piper -- accepted -- shining oniongrass, threeflower melic, threeflower melicgrass
  Melica scabrata Scribn. ex Piper -- not accepted
  Mentha arvensis var. lanata Piper -- not accepted
  Merathrepta americana (Scribn.) Piper -- not accepted
  Merathrepta californica (Bol.) Piper -- not accepted
  Merathrepta intermedia (Vasey) Piper -- not accepted
  Merathrepta intermedia ssp. cusickii (T.A. Williams) Piper -- not accepted
  Merathrepta pinetorum (Piper) Piper -- not accepted
  Merathrepta thermale var. pinetorum (Piper) Piper ex Fedde & Schuster -- not accepted
  Merathrepta unispicata (Thurb.) Piper -- not accepted
  Mertensia bella Piper -- accepted -- beautiful bluebells
  Mertensia cusickii Piper -- not accepted -- Toiyabe bluebells
  Micranthes apetala (Piper) Small -- accepted -- tiny swamp saxifrage, western swamp saxifrage
  Micranthes idahoensis (Piper) Brouillet & Gornall -- accepted -- Idaho saxifrage
  Micranthes odontoloma (Piper) A. Heller -- accepted -- brook saxifrage
  Mimulus alpinus (A. Gray) Piper -- not accepted
  Mimulus breviflorus Piper -- accepted -- shortflower monkeyflower
  Mimulus subuniflorus (Hook. & Arn.) Piper -- not accepted
  Mitella stauropetala Piper -- accepted -- side-flower miterwort, smallflower miterwort, Starry miterwort
  Mitella stauropetala var. stauropetala Piper -- not accepted -- smallflower miterwort
  Mitella stauropetala var. stenopetala (Piper) Rosend. -- not accepted -- drywoods miterwort
  Mitella stenopetala Piper -- not accepted
  Mucuna aterrima (Piper & Tracy) Holland -- not accepted
  Muhlenbergia leptoura (Piper) Hitchc. -- not accepted
  Muhlenbergia macrotis (Piper) Hitchc. -- not accepted
  Neottia caurina (Piper) Szlach. -- not accepted
  Oenothera biennis var. strigosa (Rydb.) Piper -- not accepted
  Ophrys caurina (Piper) Rydb. -- not accepted
  Oreobroma longipetalum Piper -- not accepted
  Oreocarya spiculifera Piper -- not accepted
  Orthocarpus copelandii var. cryptanthus (Piper) D.D. Keck -- not accepted
  Orthocarpus cuspidatus ssp. cryptanthus (Piper) T.I. Chuang & Heckard -- accepted -- cryptantha owl's-clover, cryptantha owlclover
  Oxytropis luteola (Greene) Piper & Beattie -- not accepted
  Ozomelis anomala (Piper) Rydb. -- not accepted
  Ozomelis micrantha (Piper) Rydb. -- not accepted
  Ozomelis stauropetala (Piper) Rydb. -- not accepted
  Panicularia leptostachya (Buckley) Piper -- not accepted
  Panicularia nervata ssp. elata (Nash) Piper -- not accepted
  Panicularia occidentalis Piper -- not accepted
  Parnassia cirrata Piper -- accepted -- San Bernardino grass of Parnassus
  Parnassia cirrata var. cirrata Piper -- accepted -- San Bernardino grass of Parnassus
  Pedicularis groenlandica ssp. surrecta (Benth.) Piper -- not accepted -- Greenland lousewort
  Penstemon cinereus Piper -- not accepted
  Penstemon eriantherus var. whitedii (Piper) A. Nelson -- accepted -- Whited's penstemon
  Penstemon gairdneri ssp. hians (Piper) D.D. Keck -- not accepted
  Penstemon gairdneri var. hians Piper -- not accepted
  Penstemon globosus (Piper) Pennell & D.D. Keck -- accepted -- globe penstemon
  Penstemon menziesii ssp. davidsonii (Greene) Piper -- not accepted
  Penstemon ovatus var. pinetorum Piper -- not accepted
  Penstemon rupicola (Piper) Howell -- accepted -- cliff beardtongue
  Penstemon whitedii Piper -- not accepted
  Peramium decipiens (Hook.) Piper -- not accepted
  Perideridia erythrorhiza (Piper) T.I. Chuang & Constance -- accepted -- red-root yampah, western yampah
  Petasites speciosus (Nutt.) Piper -- not accepted
  Petrophyton cinerascens (Piper) Rydb. -- not accepted -- halfshrub rockmat
  Petrophytum cinerascens (Piper) Rydb. -- accepted -- chelan rockmat, halfshrub rockmat
  Phacelia glandulifera Piper -- accepted -- sticky phacelia
  Phacelia ivesiana var. glandulifera (Piper) A. Nelson & J.F. Macbr. -- not accepted
  Phacelia lenta Piper -- accepted -- sticky phacelia
  Phaseolus heterophyllus var. rotundifolius (A. Gray) Piper -- not accepted
  Philadelphus confusus Piper -- not accepted -- Piper's mock orange
  Phlox hoodii ssp. lanata (Piper) Munz -- accepted -- carpet phlox
  Phlox hoodii var. lantana (Piper) Munz -- not accepted
  Phlox lanata Piper -- not accepted
  Physocarpus pauciflorus (Torr. & A. Gray) Piper -- not accepted
  Plagiobothrys acanthocarpus (Piper) I.M. Johnst. -- accepted -- adobe popcornflower
  Plagiobothrys bracteatus var. aculeolatus (Piper) I.M. Johnst. -- accepted -- bracted popcornflower
  Plagiobothrys chorisianus var. undulatus (Piper) Higgins -- not accepted -- artist's popcornflower
  Plagiobothrys distantiflorus (Piper) I.M. Johnst. ex M. Peck -- accepted -- California popcornflower
  Plagiobothrys figuratus (Piper) I.M. Johnst. ex M. Peck -- accepted -- fragrant popcornflower
  Plagiobothrys figuratus ssp. corallicarpus (Piper) K.L. Chambers -- not accepted -- fragrant popcornflower
  Plagiobothrys figuratus ssp. figuratus (Piper) I.M. Johnst. ex M. Peck -- not accepted -- fragrant popcornflower
  Plagiobothrys figuratus var. corallicarpus (Piper) K.L. Chambers -- accepted -- fragrant popcornflower
  Plagiobothrys figuratus var. figuratus (Piper) I.M. Johnst. ex M. Peck -- accepted -- fragrant popcornflower
  Plagiobothrys glyptocarpus (Piper) I.M. Johnst. -- accepted -- sculptured popcornflower
  Plagiobothrys glyptocarpus var. glyptocarpus (Piper) I.M. Johnst. -- accepted -- sculptured popcornflower
  Plagiobothrys granulatus (Piper) I.M. Johnst. -- not accepted
  Plagiobothrys hirtus var. corallicarpus (Piper) I.M. Johnst. -- not accepted
  Plagiobothrys hirtus var. figuratus (Piper) I.M. Johnst. -- not accepted
  Plagiobothrys hystriculus (Piper) I.M. Johnst. -- accepted -- bearded allocarya, bearded popcornflower
  Plagiobothrys lamprocarpus (Piper) I.M. Johnst. -- accepted -- shinyfruit popcornflower
  Plagiobothrys reticulatus (Piper) I.M. Johnst. -- accepted -- netted popcornflower
  Plagiobothrys reticulatus var. reticulatus (Piper) I.M. Johnst. -- not accepted -- popcornflower
  Plagiobothrys stipitatus var. micranthus (Piper) I.M. Johnst. -- accepted -- stalked popcornflower
  Plagiobothrys undulatus (Piper) I.M. Johnst. -- accepted
  Poa alcea Piper -- not accepted
  Poa bolanderi ssp. chandleri (Burtt Davy) Piper -- not accepted
  Poa brachyglossa Piper -- not accepted
  Poa canbyi (Scribn.) Piper -- not accepted
  Poa cottonii Piper -- not accepted
  Poa gracillima var. multnomae (Piper) C.L. Hitchc. -- not accepted
  Poa multnomae Piper -- not accepted
  Poa olneyae Piper -- not accepted
  Poa pachypholis Piper -- not accepted
  Poa spillmanii Piper -- not accepted
  Poa suksdorfii (Beal) Vasey ex Piper -- accepted -- western bluegrass
  Poa unilateralis ssp. pachypholis (Piper) D.D. Keck ex Soreng -- accepted
  Poa X multnomae Piper -- accepted
  Polygonum confertiflorum Nutt. ex Piper -- not accepted
  Polygonum kelloggii var. confertiflorum (Nutt. ex Piper) Dorn -- not accepted
  Polygonum majus (Meisn.) Piper -- accepted -- large knotweed
  Polygonum polygaloides ssp. confertiflorum (Nutt. ex Piper) J.C. Hickman -- accepted -- denseflower knotweed, fruitleaf knotweed
  Primula conjugens var. viscida (Piper) A.R. Mast & Reveal -- accepted -- Bonneville shootingstar, sticky shootingstar
  Psilochenia modocensis ssp. glareosa (Piper) W.A. Weber -- not accepted
  Psoralea lanceolata ssp. scabra (Nutt.) Piper -- not accepted
  Psoralea lanceolata var. purshii (Vail) Piper -- not accepted
  Pyrola picta ssp. dentata (Sm. ex Rees) Piper -- not accepted
  Pyrola picta ssp. integra (A. Gray) Piper -- not accepted
  Pyrola picta var. integra (A. Gray) Piper -- not accepted
  Pyrus sitchensis (M. Roem.) Piper -- not accepted
  Quamasia walpolei Piper -- not accepted
  Ranunculus verecundus B.L. Rob. ex Piper -- not accepted -- wetslope buttercup
  Rhododendron columbianum (Piper) Harmaja -- accepted -- western Labrador tea
  Roegneria albicans var. griffithii (Scribn. & J.G. Sm. ex Piper) Beetle -- not accepted
  Roegneria albicans var. griffithsii (Scribn. & J.G. Sm. ex Piper) Beetle -- not accepted
  Rosa nutkana ssp. macdougalii (Holz.) Piper -- accepted -- Nootka rose
  Rubus hesperius Piper -- not accepted
  Rudbeckia alpicola Piper -- accepted -- showy coneflower
  Rudbeckia occidentalis var. alpicola (Piper) Cronquist -- not accepted
  Salix bella Piper -- not accepted
  Salix commutata ssp. mixta Piper -- not accepted
  Salix commutata var. mixta Piper -- not accepted
  Salix drummondiana ssp. subcaerulea (Piper) A.E. Murray -- not accepted
  Salix drummondiana ssp. subcoerulea (Piper) A.E. Murray -- not accepted
  Salix drummondiana var. bella (Piper) C.R. Ball -- not accepted
  Salix drummondiana var. subcaerulea (Piper) C.R. Ball -- not accepted
  Salix drummondiana var. subcoerulea (Piper) C.R. Ball -- not accepted
  Salix subcaerulea Piper -- not accepted
  Salix subcoerulea Piper -- not accepted
  Sandbergia whitedii (Piper) Greene -- accepted -- Whited's fissurewort
  Saxifraga apetala Piper -- not accepted -- western swamp saxifrage
  Saxifraga bronchialis ssp. austromontana (Wiegand) Piper -- accepted -- matted saxifrage
  Saxifraga bronchialis ssp. vespertina (Small) Piper -- not accepted -- yellowdot saxifrage
  Saxifraga columbiana Piper -- not accepted
  Saxifraga columbiana var. apetala (Piper) Engl. & Irmsch. -- not accepted
  Saxifraga idahoensis Piper -- not accepted -- Idaho saxifrage
  Saxifraga integrifolia var. apetala (Piper) M.E. Jones -- not accepted
  Saxifraga integrifolia var. columbiana (Piper) C.L. Hitchc. -- not accepted
  Saxifraga marshallii ssp. idahoensis (Piper) D.L. Krause & Beamish -- not accepted
  Saxifraga marshallii var. idahoensis (Piper) Engl. & Irmsch. -- not accepted
  Saxifraga occidentalis var. idahoensis (Piper) C.L. Hitchc. -- not accepted
  Saxifraga odontoloma Piper -- not accepted -- brook saxifrage, streambank saxifrage
  Senecio crassulus var. cusickii (Piper) Greenm. -- not accepted
  Senecio elmeri Piper -- accepted -- Elmer's ragwort
  Sidalcea cusickii Piper -- accepted -- Cusick's checkerbloom
  Sidalcea cusickii var. cusickii Piper -- not accepted
  Sidalcea nelsoniana Piper -- accepted -- Nelson's checker-mallow, Nelson's checkerbloom
  Sidalcea oregana var. cusickii (Piper) Roush -- not accepted
  Sieversia gracilipes (Piper) Greene -- not accepted
  Sisyrinchium birameum Piper -- not accepted
  Sitanion basalticola Piper -- not accepted
  Sitanion brodiei Piper -- not accepted
  Sitanion flexuosum Piper -- not accepted
  Sitanion latifolium Piper -- not accepted
  Sitanion leckenbyi Piper -- not accepted
  Sitanion rubescens Piper -- not accepted
  Sitanion velutinum Piper -- not accepted
  Soja max (L.) Piper -- not accepted
  Solidago canadensis ssp. salebrosa (Piper) D.D. Keck -- not accepted
  Solidago canadensis var. salebrosa (Piper) M.E. Jones -- not accepted -- Canadian goldenrod, salebrosa goldenrod
  Solidago lepida var. salebrosa (Piper) Semple -- accepted -- salebrosa goldenrod
  Sorghum abyssinicum (Piper) Stapf -- not accepted
  Sorghum bicolor var. sudanense (Piper) Hitchc. -- not accepted
  Sorghum halepense var. sudanense (Piper) Soó -- not accepted
  Sorghum saccharatum var. sudanense (Piper) Kerguélen -- not accepted
  Sorghum sudanense (Piper) Stapf -- not accepted
  Sorghum vulgare var. sudanense (Piper) Hitchc. -- not accepted
  Spiraea cinerascens Piper -- not accepted
  Spiraea hendersonii (Canby) Piper -- not accepted
  Stachys emersonii Piper -- not accepted
  Stellaria borealis ssp. bongardiana (Fernald) Piper & Beattie -- not accepted
  Stellaria borealis ssp. sitchana (Steud.) Piper & Beattie -- accepted -- Sitka starwort
  Stellaria viridula (Piper) H. St. John -- not accepted
  Stipa comata ssp. intonsa Piper -- not accepted
  Stipa elmeri Piper & Brodie ex Scribn. -- not accepted
  Stipa thurberana Piper -- not accepted
  Stipa thurberiana Piper -- not accepted
  Stizolobium aterrimum Piper & Tracy -- not accepted
  Stizolobium pruritum (Wight) Piper -- not accepted
  Stizolobium velutinum (Hassk.) Piper & Tracy -- not accepted
  Strophostyles leiosperma (Torr. & A. Gray) Piper -- accepted -- slick-seed fuzzy-bean, slickseed fuzzybean, smoothseed wildbean
  Symphyotrichum jessicae (Piper) G.L. Nesom -- accepted -- Jessica's aster
  Symphyotrichum X columbianum (Piper) G.L. Nesom -- accepted
  Synthyris lanuginosa (Piper) Pennell & J.W. Thomp. -- accepted -- featherleaf kittentails
  Synthyris pinnatifida var. lanuginosa (Piper) Cronquist -- not accepted -- featherleaf kittentails
  Synthyris schizantha Piper -- accepted -- fringepetal kittentails
  Taraxia tanacetifolia (Torr. & A. Gray) Piper -- accepted -- tansyleaf evening primrose
  Terrellia curvata (Piper) Lunell -- not accepted
  Terrellia curvata (Piper) Nevski -- not accepted
  Teucrium canadense ssp. viscidum (Piper) Roy L. Taylor & MacBryde -- not accepted
  Thelypodium laciniatum var. streptanthoides (Leiberg ex Piper) Payson -- not accepted
  Thelypodium streptanthoides Leiberg ex Piper -- not accepted
  Thermopsis gracilis var. ovata (B.L. Rob. ex Piper) M. Mendenhall -- not accepted -- bigleaf thermopsis, slender goldenbanner
  Thermopsis montana var. ovata (B.L. Rob. ex Piper) H. St. John -- accepted -- slender goldenbanner
  Thermopsis ovata (B.L. Rob. ex Piper) Rydb. -- not accepted
  Thermopsis rhombifolia var. ovata (B.L. Rob. ex Piper) Isely -- not accepted
  Townsendia alpigena Piper -- not accepted -- Wyoming Townsend daisy
  Townsendia alpigena var. alpigena Piper -- not accepted -- Wyoming Townsend daisy
  Trifolium arcuatum Piper -- not accepted
  Trifolium caurinum Piper -- not accepted
  Trifolium eriocephalum ssp. arcuatum (Piper) J.M. Gillett -- accepted -- woollyhead clover
  Trifolium eriocephalum ssp. cusickii (Piper) J.M. Gillett -- accepted -- Cusick's clover
  Trifolium eriocephalum var. cusickii (Piper) J.S. Martin -- not accepted
  Trifolium longipes ssp. caurinum (Piper) J.M. Gillett -- accepted -- longstalk clover
  Trifolium rusbyi ssp. caurinum (Piper) D. Heller & Zohary -- not accepted
  Trisetum spicatum ssp. molle (Kunth) Piper -- not accepted
  Vaccinium coccineum Piper -- not accepted -- Siskiyou Mountains bilberry
  Vaccinium deliciosum Piper -- accepted -- Cascade bilberry
  Valeriana columbiana Piper -- accepted -- Wenatchee valerian
  Vicia americana ssp. minor (Hook.) Piper & Beattie -- accepted -- mat vetch, purple vetch
  Viola adunca ssp. oxyceras (S. Watson) Piper -- not accepted
  Viola flettii Piper -- accepted -- Flett's violet, Olympic violet
  Viola nuttallii ssp. praemorsa (Douglas ex Lindl.) Piper -- not accepted
  Vulpia confusa (Piper) Henrard -- not accepted
  Vulpia eastwoodae (Piper) Henrard -- not accepted
  Vulpia eastwoodiae (Piper) Henr. -- not accepted
  Vulpia microstachys var. confusa (Piper) Lonard & Gould -- accepted -- confusing fescue
  Vulpia octoflora var. hirtella (Piper) Henrard -- accepted -- sixweeks fescue
  Vulpia pacifica (Piper) Rydb. -- not accepted
  Waldsteinia idahoensis Piper -- accepted -- Idaho barren strawberry
  Waldstenia idahoensis Piper -- not accepted
  Wyethia X cusickii Piper (pro sp.) -- accepted -- Cusick's mulesears
  Xanthium oligacanthum Piper -- not accepted
   

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