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Taxon author: A. Nelson

ITIS records citing taxon author "A. Nelson"
 
 Kingdom Animalia
  Baetis moqui Wiersema, Nelson and Kuehnl, 2005 -- invalid
 
 Kingdom Plantae
  Abronia elliptica A. Nelson -- accepted -- fragrant white sand verbena
  Abronia fragrans var. elliptica (A. Nelson) M.E. Jones -- not accepted
  Abronia fragrans var. glaucescens A. Nelson -- not accepted
  Aconitum columbianum var. howellii (A. Nelson & J.F. Macbr.) C.L. Hitchc. -- not accepted
  Aconitum columbianum var. ochroleucum A. Nelson -- not accepted
  Aconitum howellii A. Nelson & J.F. Macbr. -- not accepted
  Aconitum nivatum A. Nelson -- not accepted
  Aletes megarrhiza (A. Nelson) W.A. Weber -- not accepted
  Allium fragile A. Nelson -- not accepted
  Allium geyeri var. textile (A. Nelson & J.F. Macbr.) B. Boivin -- not accepted
  Allium incisum A. Nelson & J.F. Macbr. -- not accepted
  Allium scissum A. Nelson & J.F. Macbr. -- not accepted
  Allium textile A. Nelson & J.F. Macbr. -- accepted -- prairie onion, textile onion, wild onion
  Ambrosia grayi (A. Nelson) Shinners -- accepted -- bur ragweed, lagoonweed, woollyleaf bur ragweed, woollyleaf burr ragweed, woollyleaf bursage, woollyleaf franseria, woollyleaf povertyweed
  Ambrosia salsola var. fasciculata (A. Nelson) Strother & B.G. Baldw. -- not accepted
  Amelanchier alnifolia var. oreophila (A. Nelson) R.J. Davis -- not accepted
  Amelanchier oreophila A. Nelson -- not accepted
  Amphiachyris spinosa A. Nelson -- not accepted
  Amphipappus fremontii ssp. spinosus (A. Nelson) D.D. Keck -- not accepted -- chaffbush, Fremont's chaffbush
  Amphipappus fremontii var. spinosus (A. Nelson) Ced. Porter -- accepted -- Fremont's chaffbush
  Amsinckia carinata A. Nelson & J.F. Macbr. -- accepted -- Malheur Valley fiddleneck
  Amsinckia menziesii (Lehm.) A. Nelson & J.F. Macbr. -- accepted -- Menzies' fiddleneck, small-flower fiddleneck, smallflower fiddleneck
  Amsinckia menziesii var. menziesii (Lehm.) A. Nelson & J.F. Macbr. -- not accepted -- Menzies' fiddleneck, rigid fiddleneck
  Androsace septentrionalis ssp. subumbellata (A. Nelson) G.T. Robbins -- not accepted -- pygmyflower rockjasmine
  Androsace septentrionalis var. subumbellata A. Nelson -- not accepted
  Anemonastrum narcissiflorum ssp. zephyrum (A. Nelson) W.A. Weber -- not accepted
  Anemone multifida var. stylosa (A. Nelson) B.E. Dutton & Keener -- accepted -- Pacific anemone
  Anemone narcissiflora ssp. zephyra (A. Nelson) Á. Löve, D. Löve, & B.M. Kapoor -- not accepted
  Anemone narcissiflora ssp. zephyra (A. Nelson) Á. Löve, D. Löve, & B.M. Kapoor -- not accepted
  Anemone narcissiflora var. zephyra (A. Nelson) B.E. Dutton & Keener -- accepted -- narcissus anemone
  Anemone quinquefolia var. stylosa (A. Nelson) B.E. Dutton & Keener -- not accepted
  Anemone stylosa A. Nelson -- not accepted
  Anemone zephyra A. Nelson -- not accepted
  Angelica ampla A. Nelson -- accepted -- giant angelica
  Antennaria parvifolia var. bracteosa (Rydb.) A. Nelson -- not accepted
  Aquilegia caerulea var. alpina A. Nelson -- not accepted -- Colorado alpine columbine
  Aquilegia coerulea var. alpina A. Nelson -- accepted -- Colorado alpine columbine
  Aquilegia flavescens var. miniata A. Nelson & J.F. Macbr. -- not accepted -- yellow columbine
  Aquilegia laramiensis A. Nelson -- accepted -- Laramie columbine
  Arabis arcoidea A. Nelson -- not accepted
  Arabis caduca A. Nelson -- not accepted
  Arabis depauperata A. Nelson & P.B. Kenn. -- not accepted
  Arabis elegans A. Nelson -- not accepted
  Arabis exilis A. Nelson -- not accepted
  Arabis fructicosa A. Nelson -- not accepted -- fruit rockcress
  Arabis holboellii var. pendulocarpa (A. Nelson) Rollins -- not accepted -- dropseed rockcress
  Arabis lemmonii var. depauperata (A. Nelson & P.B. Kenn.) Rollins -- not accepted -- soldier rockcress
  Arabis lignifera A. Nelson -- not accepted -- desert rockcress, woody rockcress
  Arabis lignipes A. Nelson -- not accepted
  Arabis pendulocarpa A. Nelson -- not accepted
  Arabis perelegans A. Nelson -- not accepted
  Arabis X divaricarpa A. Nelson (pro. sp.) -- not accepted -- spreading rockcress, spreadingpod rockcress
  Aragallus oreophilus (A. Gray) A. Nelson -- not accepted
  Arceuthobium blumeri A. Nelson -- accepted -- southwestern white pine dwarf mistletoe, white pine dwarf mistletoe
  Arceuthobium cyanocarpum (A. Nelson ex Rydb.) A. Nelson -- not accepted -- limber pine dwarf mistletoe
  Arenaria aculeata var. uintahensis (A. Nelson) M. Peck -- not accepted
  Arenaria hookeri ssp. pinetorum (A. Nelson) W.A. Weber -- not accepted -- Hooker's sandwort
  Arenaria hookeri var. pinetorum (A. Nelson) Maguire -- not accepted
  Arenaria kingii ssp. uintahensis (A. Nelson) Maguire -- not accepted -- Uinta sandwort
  Arenaria kingii var. uintahensis (A. Nelson) C.L. Hitchc. -- not accepted
  Arenaria macra A. Nelson & J.F. Macbr. -- not accepted
  Arenaria macrantha (Rydb.) A. Nelson -- not accepted
  Arenaria stricta ssp. macra (A. Nelson & J.F. Macbr.) Maguire -- not accepted
  Arenaria uintahensis A. Nelson -- not accepted
  Arnica chamissonis ssp. foliosa var. maguirei (A. Nelson) Maguire -- not accepted -- Chamisso arnica
  Arnica paniculata A. Nelson -- not accepted
  Artemisia arbuscula ssp. nova (A. Nelson) G.H. Ward -- not accepted
  Artemisia arbuscula var. nova (A. Nelson) Cronquist -- not accepted
  Artemisia ludoviciana var. pabularis (A. Nelson) Fernald -- not accepted
  Artemisia nova A. Nelson -- accepted -- black sagebrush
  Artemisia pabularis (A. Nelson) Rydb. -- not accepted
  Artemisia tridentata ssp. nova (A. Nelson) H.M. Hall & Clem. -- not accepted
  Asplenium andrewsii A. Nelson -- not accepted
  Aster cordineri A. Nelson -- not accepted
  Aster eliasii A. Nelson -- not accepted
  Aster meritus A. Nelson -- not accepted
  Aster perelegans A. Nelson & J.F. Macbr. -- not accepted -- elegant aster
  Aster sibiricus var. meritus (A. Nelson) Raup -- not accepted
  Aster siskiyouensis A. Nelson & J.F. Macbr. -- not accepted
  Astragalus adanus A. Nelson -- accepted -- Boise milkvetch
  Astragalus atratus var. owyheensis (A. Nelson & J.F. Macbr.) M.E. Jones -- accepted -- Owyhee milkvetch
  Astragalus junciformis A. Nelson -- not accepted
  Astragalus nudisiliquus A. Nelson -- accepted -- cobblestone milkvetch
  Astragalus owyheensis A. Nelson & J.F. Macbr. -- not accepted
  Atriplex acanthocarpa var. cuneata (A. Nelson) M.E. Jones -- not accepted
  Atriplex canescens ssp. aptera (A. Nelson) H.M. Hall & Clem. -- not accepted
  Atriplex canescens var. aptera (A. Nelson) C.L. Hitchc. -- not accepted
  Atriplex cuneata A. Nelson -- not accepted -- Castlevalley saltbush, valley saltbush
  Atriplex cuneata ssp. cuneata A. Nelson -- not accepted -- Castlevalley saltbush, valley saltbush
  Atriplex gardneri var. aptera (A. Nelson) S.L. Welsh & Crompton -- accepted -- moundscale, Nelson's saltbush
  Atriplex gardneri var. cuneata (A. Nelson) S.L. Welsh -- accepted -- valley saltbush
  Atriplex joaquiniana A. Nelson -- not accepted -- San Joaquin saltbush, valley spearscale
  Atriplex matamorensis A. Nelson -- accepted -- Matamoros saltbush
  Atriplex nuttallii ssp. cuneata (A. Nelson) H.M. Hall & Clem. -- not accepted
  Atriplex pacifica A. Nelson -- accepted -- Davidson's saltbush, south coast saltbush
  Atriplex serenana A. Nelson ex Abrams -- accepted -- bracted saltweed, bractscale
  Atriplex serenana var. serenana A. Nelson ex Abrams -- accepted -- bractscale
  Atriplex tenuissima A. Nelson -- not accepted -- slender saltbush
  Atriplex watsonii A. Nelson ex Abrams -- accepted -- Watson's orach, Watson's saltbush
  Atriplex wolfii var. tenuissima (A. Nelson) S.L. Welsh -- accepted -- slender saltbush
  Atriplex X aptera A. Nelson (pro. sp.) -- not accepted -- moundscale
  Azaleastrum albiflorum ssp. warrenii (A. Nelson) W.A. Weber -- not accepted
  Baileya perennis (A. Nelson) Rydb. -- not accepted
  Balsamorhiza hookeri var. hirsuta (Nutt.) A. Nelson -- not accepted -- hairy balsamroot
  Balsamorhiza rosea A. Nelson & J.F. Macbr. -- accepted -- rosy balsamroot
  Balsamorhiza serrata A. Nelson & J.F. Macbr. -- accepted -- serrate balsamroot, serrated balsamroot
  Besseya wyomingensis (A. Nelson) Rydb. -- not accepted -- Wyoming besseya, Wyoming kittentail
  Betula andrewsii A. Nelson -- not accepted
  Betula beeniana A. Nelson -- not accepted
  Boechera depauperata (A. Nelson & P.B. Kenn.) Windham & Al-Shehbaz -- accepted -- soldier rockcress
  Boechera divaricarpa (A. Nelson) Á. Löve & D. Löve -- accepted -- spreadingpod rockcress
  Boechera exilis (A. Nelson) Dorn -- not accepted
  Boechera fructicosa (A. Nelson) Al-Shehbaz -- accepted -- fruit rockcress
  Boechera holboellii var. pendulocarpa (A. Nelson) N. Snow -- not accepted -- dropseed rockcress
  Boechera lignifera (A. Nelson) W.A. Weber -- accepted -- desert rockcress
  Boechera pendulocarpa (A. Nelson) Windham & Al-Shehbaz -- accepted -- dropseed rockcress
  Bolboschoenus maritimus ssp. paludosus (A. Nelson) Á. Löve & D. Löve -- accepted -- cosmopolitan bulrush
  Bolboschoenus maritimus var. paludosus (A. Nelson) Dorn -- not accepted
  Bolboschoenus paludosus (A. Nelson) Soó -- not accepted
  Brickellia scabra (A. Gray) A. Nelson ex B.L. Rob. -- not accepted
  Calochortus bruneaunis A. Nelson & J.F. Macbr. -- accepted -- Bruneau mariposa lily
  Calochortus macrocarpus var. maculosus (A. Nelson & J.F. Macbr.) A. Nelson & J.F. Macbr. -- accepted -- Nez Perce mariposa lily
  Calochortus maculosus A. Nelson & J.F. Macbr. -- not accepted
  Calochortus nuttallii var. bruneaunis (A. Nelson & J.F. Macbr.) Ownbey -- not accepted
  Camissonia arenaria (A. Nelson) P.H. Raven -- not accepted -- Fortuna Range suncup
  Camissonia minor (A. Nelson) P.H. Raven -- not accepted -- small evening primrose, small evening-primrose, small eveningprimrose, small suncup
  Camissonia walkeri (A. Nelson) P.H. Raven -- not accepted -- Walker's suncup
  Camissonia walkeri ssp. walkeri (A. Nelson) P.H. Raven -- not accepted -- Walker's suncup
  Cardamine cordifolia var. lyallii (S. Watson) A. Nelson & J.F. Macbr. -- not accepted -- heartleaf bittercress, Lyall's bittercress
  Cardionema ramosissimum (Weinm.) A. Nelson & J.F. Macbr. -- accepted -- sandcarpet
  Castilleja angustifolia var. dubia A. Nelson -- accepted
  Castilleja chromosa A. Nelson -- not accepted
  Castilleja exilis A. Nelson -- not accepted
  Castilleja inverta (A. Nelson & J.F. Macbr.) Pennell & Ownbey -- not accepted
  Castilleja lauta A. Nelson -- not accepted
  Castilleja longispica A. Nelson -- not accepted
  Castilleja miniata var. dixonii (Fernald) A. Nelson & J.F. Macbr. -- not accepted
  Castilleja pallescens var. inverta (A. Nelson & J.F. Macbr.) Edwin -- accepted -- pale Indian paintbrush
  Castilleja pilosa var. inverta (A. Nelson & J.F. Macbr.) A. Nelson & J.F. Macbr. -- not accepted
  Castilleja pilosa var. longispica (A. Nelson) N.H. Holmgren -- accepted -- longspike Indian paintbrush
  Cathartolinum compactum (A. Nelson) Small -- not accepted
  Cerastium fuegianum (Hook. f.) A. Nelson -- not accepted
  Cerasus demissa var. melanocarpa A. Nelson -- not accepted
  Chaenactis nevadensis var. mainsiana (A. Nelson & J.F. Macbr.) Stockw. -- not accepted
  Chenopodium aridum A. Nelson -- not accepted
  Chenopodium cycloides A. Nelson -- accepted -- Sandhill goosefoot
  Chenopodium desiccatum A. Nelson -- accepted -- arid goosefoot, aridland goosefoot, desert goosefoot, narrowleaf goosefoot
  Chenopodium pratericola ssp. desiccatum (A. Nelson) Aellen -- not accepted
  Chenopodium subglabrum (S. Watson) A. Nelson -- accepted -- smooth goosefoot
  Chenopodium watsonii A. Nelson -- accepted -- Watson's goosefoot
  Chondrophylla fremontii (Torr.) A. Nelson -- not accepted
  Chrysopsis alpicola var. glomerata A. Nelson -- not accepted
  Chrysopsis arida A. Nelson -- not accepted
  Chrysopsis cooperi A. Nelson -- not accepted
  Chrysopsis imbricata A. Nelson -- not accepted
  Chrysopsis resinolens A. Nelson -- not accepted
  Chrysopsis scabrifolia A. Nelson -- not accepted
  Chrysopsis villosa var. glomerata (A. Nelson) V.L. Harms -- not accepted
  Chrysothamnus nauseosus var. artus (A. Nelson) Cronquist -- not accepted
  Chrysothamnus nauseosus var. oreophilus (A. Nelson) H.M. Hall -- not accepted
  Chrysothamnus parryi ssp. affinis (A. Nelson) L.C. Anderson -- not accepted
  Chrysothamnus parryi ssp. monocephalus (A. Nelson & Kennedy) H.M. Hall & Clem. -- not accepted
  Chrysothamnus parryi var. affinis (A. Nelson) Cronquist -- not accepted
  Chrysothamnus parryi var. monocephalus (A. Nelson & Kennedy) Jeps. -- not accepted
  Chylismia arenaria A. Nelson -- accepted -- Fortuna Range suncup
  Chylismia walkeri A. Nelson -- accepted -- Walker's suncup
  Chylismia walkeri ssp. walkeri A. Nelson -- accepted -- Walker's suncup
  Cirsium arcuum A. Nelson -- not accepted -- powderpuff thistle
  Cirsium hookerianum var. eriocephalum (A. Gray) A. Nelson -- not accepted
  Cirsium magnificum (A. Nelson) Petr. -- not accepted
  Clarkia amoena (Lehm.) A. Nelson & J.F. Macbr. -- accepted -- farewell to spring
  Clarkia amoena ssp. amoena (Lehm.) A. Nelson & J.F. Macbr. -- accepted -- farewell to spring
  Clarkia arcuata (Kellogg) A. Nelson & J.F. Macbr. -- accepted -- glandular clarkia
  Clarkia biloba (Durand) A. Nelson & J.F. Macbr. -- accepted -- twolobe clarkia
  Clarkia biloba ssp. biloba (Durand) A. Nelson & J.F. Macbr. -- accepted -- twolobe clarkia
  Clarkia delicata (Abrams) A. Nelson & J.F. Macbr. -- accepted -- Campo clarkia
  Clarkia epilobioides (Nutt. ex Torr. & A. Gray) A. Nelson & J.F. Macbr. -- accepted -- canyon clarkia, canyon fairyfan
  Clarkia gracilis (Piper) A. Nelson & J.F. Macbr. -- accepted -- slender clarkia
  Clarkia gracilis ssp. gracilis (Piper) A. Nelson & J.F. Macbr. -- accepted -- slender clarkia
  Clarkia purpurea (W. Curtis) A. Nelson & J.F. Macbr. -- accepted -- winecup clarkia, winecup fairyfan
  Clarkia purpurea ssp. purpurea (W. Curtis) A. Nelson & J.F. Macbr. -- accepted -- winecup clarkia
  Clarkia quadrivulnera (Douglas) A. Nelson & J.F. Macbr. -- not accepted
  Clarkia viminea (Douglas) A. Nelson & J.F. Macbr. -- not accepted
  Claytonia flava A. Nelson -- not accepted -- lanceleaf springbeauty
  Claytonia lanceolata var. flava (A. Nelson) C.L. Hitchc. -- not accepted -- lanceleaf springbeauty
  Claytonia lanceolata var. sessilifolia (Torr.) A. Nelson -- not accepted -- lanceleaf springbeauty
  Clematis aurea A. Nelson & J.F. Macbr. -- not accepted
  Clematis pseudoalpina (Kuntze) A. Nelson -- not accepted
  Cleomella hillmanii A. Nelson -- accepted -- Hillman's cleomella, Hillman's stinkweed
  Cleomella hillmanii var. hillmanii A. Nelson -- accepted -- Hillman's stinkweed
  Cleomella obtusifolia var. pubescens A. Nelson -- not accepted
  Clylismia walkeri A. Nelson -- not accepted
  Cornus instolonea A. Nelson -- not accepted
  Crataegus cerronis A. Nelson -- not accepted
  Crataegus sheridana A. Nelson -- accepted -- Great plains hawthorn
  Crepis alpicola (Rydb.) A. Nelson -- not accepted
  Crepis riparia A. Nelson -- not accepted
  Cryptantha caespitosa (A. Nelson) Payson -- accepted -- tufted cryptantha
  Cryptantha cana (A. Nelson) Payson -- accepted -- mountain cryptantha
  Cryptantha flava (A. Nelson) Payson -- accepted -- Brenda's yellow catseye, Brenda's yellow cryptantha, plateau yellow catseye
  Cryptantha flavoculata (A. Nelson) Payson -- accepted -- rough-seed catseye, roughseed catseye, roughseed cryptantha
  Cryptantha flexulosa (A. Nelson) A. Nelson -- not accepted
  Cryptantha hendersonii (A. Nelson) Piper ex J.C. Nelson -- not accepted
  Cryptantha longiflora (A. Nelson) Payson -- accepted -- longflower cryptantha
  Cryptantha muricata (Hook. & Arn.) A. Nelson & J.F. Macbr. -- accepted -- pointed catseye, pointed cryptantha, prickly cryptantha
  Cryptantha muricata var. muricata (Hook. & Arn.) A. Nelson & J.F. Macbr. -- not accepted -- pointed cryptantha
  Cryptantha nevadensis A. Nelson & Kennedy -- accepted -- Nevada catseye, Nevada cryptantha
  Cryptantha nevadensis var. nevadensis A. Nelson & Kennedy -- accepted -- Nevada catseye, Nevada cryptantha
  Cryptantha paradoxa (A. Nelson) Payson -- accepted -- handsome catseye, handsome cryptantha
  Cryptantha propria (A. Nelson & J.F. Macbr.) Payson -- accepted -- Malheur cryptantha
  Cryptantha salmonensis (A. Nelson & J.F. Macbr.) Payson -- accepted -- Salmon River cryptantha
  Cryptantha scoparia A. Nelson -- accepted -- desert cryptantha, Pinyon Desert cryptantha
  Cryptantha sericea var. perennis (A. Nelson) Payson -- not accepted
  Cuscuta plattensis A. Nelson -- accepted -- prairie dodder, Wyoming dodder
  Cymopterus bulbosus A. Nelson -- accepted -- bulbous spring parsley, bulbous springparsley
  Delphinium cucullatum A. Nelson -- not accepted
  Delphinium occidentale ssp. cucullatum (A. Nelson) Ewan -- not accepted
  Delphinium occidentale var. cucullatum (A. Nelson) R.J. Davis -- not accepted
  Delphinium ruthiae A. Nelson -- not accepted
  Delphinium strictum A. Nelson -- not accepted
  Delphinium X nutans A. Nelson (pro. sp.) -- accepted -- larkspur
  Descurainia paradisa (A. Nelson & P.B. Kenn.) O.E. Schulz -- accepted -- paradise tansymustard
  Descurainia paradisa ssp. paradisa (A. Nelson & P.B. Kenn.) O.E. Schulz -- not accepted -- paradise tansymustard
  Descurainia pinnata ssp. paradisa (A. Nelson & P.B. Kenn.) Detling -- not accepted
  Descurainia pinnata var. paradisa (A. Nelson & P.B. Kenn.) M. Peck -- not accepted
  Dodecatheon pauciflorum ssp. salinum (A. Nelson) R. Knuth -- not accepted
  Dodecatheon pauciflorum var. salinum (A. Nelson) R. Knuth -- not accepted
  Dodecatheon pulchellum var. shoshonense (A. Nelson) Reveal -- not accepted -- alkali-meadows shootingstar
  Dodecatheon salinum A. Nelson -- not accepted
  Douglasia biflora A. Nelson -- not accepted
  Douglasia montana var. biflora (A. Nelson) R. Knuth -- not accepted
  Dyssodia aurea (A. Gray) A. Nelson -- not accepted
  Elaeagnus canadensis (L.) A. Nelson -- not accepted
  Elaeagnus utilis A. Nelson -- not accepted
  Encelia frutescens var. virginensis (A. Nelson) S.F. Blake -- not accepted
  Encelia virginensis A. Nelson -- accepted -- Virgin River brittlebush, Virgin River encelia
  Encelia virginensis var. virginensis A. Nelson -- not accepted -- Virgin River brittlebush, Virgin River encelia
  Enceliopsis (A. Gray) A. Nelson -- accepted -- sunray
  Enceliopsis argophylla (D.C. Eaton) A. Nelson -- accepted -- silver-leaf sunray, silverleaf sunray
  Enceliopsis covillei (A. Nelson) S.F. Blake -- accepted -- Panamint daisy
  Enceliopsis nudicaulis (A. Gray) A. Nelson -- accepted -- nakedstem sunray
  Enceliopsis nudicaulis var. nudicaulis (A. Gray) A. Nelson -- not accepted -- nakedstem sunray
  Enceliopsis nutans (Eastw.) A. Nelson -- not accepted -- nodding sunray
  Ephedra fasciculata A. Nelson -- not accepted -- Arizona ephedra, Arizona jointfir, desert Mormon tea
  Ephedra fasciculata var. fasciculata A. Nelson -- not accepted -- Arizona jointfir
  Epilobium canum ssp. garrettii (A. Nelson) P.H. Raven -- accepted -- Garrett's firechalice
  Epilobium canum var. garrettii (A. Nelson) N.H. Holmgren & P.K. Holmgren -- not accepted
  Epilobium wyomingense A. Nelson -- not accepted
  Eremogone hookeri ssp. pinetorum (A. Nelson) W.A. Weber -- not accepted
  Eremogone hookeri var. pinetorum (A. Nelson) Dorn -- accepted -- Hooker's sandwort
  Eremogone kingii ssp. uintahensis (A. Nelson) W.A. Weber -- not accepted
  Eremothera minor (A. Nelson) W.L. Wagner & Hoch -- accepted -- small evening primrose
  Eriastrum sparsiflorum var. wilcoxii (A. Nelson) Cronquist -- not accepted
  Eriastrum wilcoxii (A. Nelson) H. Mason -- accepted -- Wilcox's woollystar, Wilcox's woolstar
  Ericameria nauseosa ssp. consimilis var. oreophila (A. Nelson) G.L. Nesom & Baird -- not accepted -- threadleaf rubber rabbitbrush
  Ericameria nauseosa var. arta (A. Nelson) G.L. Nesom & Baird -- not accepted
  Ericameria nauseosa var. oreophila (A. Nelson) G.L. Nesom & Baird -- accepted -- rubber rabbitbrush
  Ericameria parryi var. affinis (A. Nelson) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Ericameria parryi var. monocephala (A. Nelson & Kennedy) G.L. Nesom & Baird -- accepted -- Parry's rabbitbrush
  Erigeron colomexicanus A. Nelson -- not accepted -- running daisy, running fleabane
  Erigeron denalii A. Nelson -- accepted -- Mex's fleabane
  Erigeron engelmannii A. Nelson -- accepted -- Engelmann's daisy, Engelmann's fleabane
  Erigeron engelmannii var. engelmannii A. Nelson -- not accepted -- Engelmann's fleabane
  Erigeron garrettii A. Nelson -- accepted -- Garrett's fleabane
  Erigeron glacialis (Nutt.) A. Nelson -- accepted -- subalpine fleabane
  Erigeron glacialis var. glacialis (Nutt.) A. Nelson -- accepted -- subalpine fleabane
  Erigeron latus (A. Nelson & J.F. Macbr.) Cronquist -- accepted -- broad daisy, broad fleabane
  Erigeron lobatus A. Nelson -- accepted -- lobed daisy, lobed fleabane
  Erigeron melanocephalus (A. Nelson) A. Nelson -- accepted -- blackhead fleabane
  Erigeron nauseosus (M.E. Jones) A. Nelson -- accepted -- Marysvale daisy, Marysvale fleabane
  Erigeron pinnatisectus (A. Gray) A. Nelson -- accepted -- featherleaf fleabane
  Erigeron uniflorus var. melanocephalus A. Nelson -- not accepted
  Eriogonum brevicaule ssp. orendense (A. Nelson) S. Stokes -- not accepted
  Eriogonum brevicaule var. loganum (A. Nelson) S.L. Welsh -- not accepted
  Eriogonum effusum ssp. salinum (A. Nelson) S. Stokes -- not accepted
  Eriogonum loganum A. Nelson -- accepted -- Cache Valley buckwheat, Logan wild buckwheat
  Eriogonum ovalifolium var. celsum A. Nelson -- not accepted
  Eriogonum rhodanthum A. Nelson & P.B. Kenn. -- not accepted
  Eriogonum rosense A. Nelson & P.B. Kenn. -- accepted -- Mount Rose buckwheat, rosy buckwheat
  Eriogonum rosense var. rosense A. Nelson & P.B. Kenn. -- accepted -- rosy buckwheat
  Eriogonum salinum A. Nelson -- not accepted
  Eriogonum sphaerocephalum var. fasciculifolium (A. Nelson) S. Stokes -- accepted -- rock buckwheat
  Eriogonum umbellatum ssp. ferrissii (A. Nelson) S. Stokes -- not accepted
  Eriogonum umbellatum var. intectum A. Nelson -- not accepted
  Eriogonum vimineum var. shoshonense (A. Nelson) S. Stokes -- not accepted
  Eriogonum visheri A. Nelson -- accepted -- Visher's buckwheat, Visher's wild buckwheat
  Erythronium multiscapideum (Kellogg) A. Nelson & P.B. Kenn. -- accepted -- Sierra fawnlily
  Erythronium multiscapoideum (Kellogg) A. Nelson & P.B. Kenn. -- not accepted -- Sierra fawnlily
  Eucephalus perelegans (A. Nelson & J.F. Macbr.) W.A. Weber -- not accepted
  Euphorbia aliceae A. Nelson -- not accepted
  Euphorbia manca A. Nelson -- not accepted
  Euphorbia nortoniana A. Nelson -- not accepted
  Eurybia merita (A. Nelson) G.L. Nesom -- accepted -- subalpine aster
  Extriplex joaquinana (A. Nelson) E.H. Zacharias -- accepted -- San Joaquin saltbush, valley spearscale
  Frangula rubra ssp. nevadensis (A. Nelson) Kartesz & Gandhi -- not accepted -- Nevada buckthorn
  Franseria tomentosa (Nutt.) A. Nelson, non A. Gray -- not accepted -- bur ragweed
  Gaertneria grayi A. Nelson -- not accepted
  Gaillardia gracilis A. Nelson -- not accepted
  Gaillardia neomexicana A. Nelson -- not accepted
  Gaurella canescens (Torr. & Frém.) A. Nelson -- not accepted
  Gentiana affinis var. major A. Nelson & Kennedy -- not accepted
  Gentiana andrewsii var. dakotica A. Nelson -- accepted -- closed bottle gentian, Dakota gentian
  Gentiana calycosa var. xantha A. Nelson -- not accepted
  Gentiana detonsa var. unicaulis (A. Nelson) C.L. Hitchc. -- not accepted
  Gentiana elegans A. Nelson -- not accepted
  Gentiana strictiflora (Rydb.) A. Nelson -- not accepted
  Gentianella detonsa ssp. elegans (A. Nelson) J.M. Gillett -- not accepted
  Gentianella detonsa var. elegans (A. Nelson) Dorn -- not accepted
  Gentianopsis detonsa var. elegans (A. Nelson) N.H. Holmgren -- not accepted
  Gentianopsis elegans (A. Nelson) Ma -- not accepted
  Gilia achilleifolia var. chamissonis (Greene) A. Nelson & J.F. Macbr. -- not accepted
  Gilia attenuata (A. Gray) A. Nelson -- not accepted
  Gilia burleyana A. Nelson -- not accepted
  Gilia congesta var. burleyana (A. Nelson) Constance & Rollins -- not accepted
  Gilia congesta var. montana (A. Nelson & Kennedy) Constance & Rollins -- not accepted
  Gilia flavocincta A. Nelson -- accepted -- lesser yellowthroat gilia
  Gilia flavocincta ssp. flavocincta A. Nelson -- accepted -- lesser yellowthroat gilia
  Gilia ophthalmoides ssp. flavocincta (A. Nelson) A.D. Grant & V.E. Grant -- not accepted
  Glyceria borealis (Nash) A. Nelson -- not accepted
  Gnaphalium exilifolium A. Nelson -- accepted -- Gray's cudweed, slender cudweed
  Gnaphalium grayi A. Nelson & J.F. Macbr. -- not accepted
  Grindelia perennis A. Nelson -- not accepted
  Grindelia subalpina var. erecta (A. Nelson) Steyerm. -- not accepted -- subalpine gumweed
  Gutierrezia polyantha A. Nelson -- not accepted
  Haplopappus aberrans (A. Nelson) H.M. Hall -- not accepted
  Haplopappus fremontii ssp. monocephalus (A. Nelson) H.M. Hall -- not accepted
  Haplopappus gooddingii (A. Nelson) Munz & I.M. Johnst. -- not accepted
  Haplopappus macronema var. canescens (A. Nelson) Cronquist -- not accepted
  Haplopappus racemosus ssp. brachycephalus (A. Nelson) H.M. Hall -- not accepted
  Haplopappus spinulosus var. gooddingii (A. Nelson) S.F. Blake -- not accepted
  Hedeoma convisae A. Nelson -- not accepted
  Hedeoma ovata A. Nelson -- not accepted
  Hedysarum alpinum var. philoscia (A. Nelson) Rollins -- not accepted -- alpine sweetvetch
  Hedysarum boreale var. pabulare (A. Nelson) Dorn -- not accepted
  Hedysarum pabulare A. Nelson -- not accepted
  Hedysarum philoscia A. Nelson -- not accepted
  Hedysarum uintahense A. Nelson -- not accepted
  Helianthella covillei A. Nelson -- not accepted
  Heliomeris multiflora var. nevadensis (A. Nelson) Yates -- accepted -- Nevada goldeneye, Nevada goldeneyes
  Hieracium scouleri var. griseum (Rydb.) A. Nelson -- not accepted
  Horkelia beneolens A. Nelson & J.F. Macbr. -- not accepted
  Hulsea caespitosa A. Nelson & Kennedy -- not accepted
  Humulus lupulus var. neomexicanus A. Nelson & Cockerell -- accepted -- common hop, common hops
  Hymenoclea fasciculata A. Nelson -- not accepted
  Hymenoclea salsola var. fasciculata (A. Nelson) K.M. Peterson & Payne -- not accepted -- burrobrush, white burrobush
  Hymenoclea salsola var. patula (A. Nelson) K.M. Peterson & Payne -- not accepted
  Hymenopappus eriopodus A. Nelson -- not accepted
  Hymenopappus filifolius var. eriopodus (A. Nelson) B.L. Turner -- accepted -- fineleaf hymenopappus
  Hymenoxys acaulis var. caespitosa (A. Nelson) K.F. Parker -- not accepted -- caespitose hymenoxys
  Hymenoxys acaulis var. epunctata (A. Nelson) Cronquist -- not accepted
  Idahoa A. Nelson & J.F. Macbr. -- accepted
  Idahoa scapigera (Hook.) A. Nelson & J.F. Macbr. -- accepted -- flatpod, oldstem idahoa
  Iliamna rivularis var. diversa (A. Nelson) Wiggins -- accepted -- streambank wild hollyhock
  Ipomopsis congesta ssp. montana (A. Nelson & Kennedy) V.E. Grant -- accepted -- ballhead ipomopsis, mountain ballhead gilia
  Ivesia baileyi var. beneolens (A. Nelson & J.F. Macbr.) Ertter -- accepted -- Bailey's ivesia
  Juncus saximontanus A. Nelson -- accepted -- Rocky Mountain rush
  Juniperus knighti A. Nelson -- not accepted
  Juniperus knightii A. Nelson -- not accepted
  Juniperus monosperma var. knightii (A. Nelson) Lemmon -- not accepted
  Kuhnia hitchcockii A. Nelson -- not accepted
  Lacinaria ligulistylis A. Nelson -- not accepted
  Lappula cenchrusoides A. Nelson -- accepted -- Great Plains sheepburr, Great Plains stickseed, stickseed
  Lappula erecta A. Nelson -- not accepted
  Lappula squarrosa var. erecta (A. Nelson) Dorn -- not accepted
  Lappula texana var. coronata (Greene) A. Nelson & J.F. Macbr. -- not accepted
  Lappula texana var. heterosperma (Greene) A. Nelson & J.F. Macbr. -- not accepted
  Lappula texana var. homosperma (A. Nelson) A. Nelson & J.F. Macbr. -- not accepted
  Lathyrus polymorphus ssp. polymorphus var. hapemanii (A. Nelson) C.L. Hitchc. -- not accepted -- manystem pea
  Lathyrus polymorphus var. hapemanii (A. Nelson) C.L. Hitchc. -- not accepted -- manystem pea
  Lavauxia flava A. Nelson -- not accepted
  Lavauxia howardii A. Nelson -- not accepted
  Lepidium densiflorum var. pubecarpum (A. Nelson) Thell. -- not accepted -- babyseed pepperweed
  Lepidium densiflorum var. ramosum (A. Nelson) Thell. -- not accepted -- miner pepperweed, miner's pepperweed
  Lepidium papilliferum (L.F. Hend.) A. Nelson & J.F. Macbr. -- accepted -- Idaho pepperweed, slickspot peppergrass
  Lepidium pubecarpum A. Nelson -- not accepted
  Lepidium ramosissimum A. Nelson -- accepted -- manybranched pepperweed, pepperweed
  Lepidium ramosissimum var. ramosissimum A. Nelson -- not accepted -- manybranched pepperweed
  Lepidium ramosum A. Nelson -- not accepted
  Lesquerella alpina ssp. condensata (A. Nelson) Rollins -- not accepted
  Lesquerella alpina var. condensata (A. Nelson) C.L. Hitchc. -- not accepted
  Lesquerella condensata A. Nelson -- not accepted -- dense bladderpod, Engelmann bladderpod
  Lesquerella curvipes A. Nelson -- not accepted
  Lesquerella kingii ssp. latifolia (A. Nelson) Rollins & E.A. Shaw -- not accepted -- King bladderpod, Wallowa bladderpod
  Lesquerella latifolia A. Nelson -- not accepted
  Lesquerella macrocarpa A. Nelson -- not accepted -- large-fruited bladderpod, largefruit bladderpod
  Lesquerella prostrata A. Nelson -- not accepted -- low bladderpod
  Lesquerella tenella A. Nelson -- not accepted -- Moapa bladderpod
  Lessingia germanorum var. ramulosissima (A. Nelson) J.T. Howell -- not accepted
  Lessingia lemmonii var. ramulosissima (A. Nelson) Ferris -- not accepted -- Lemmon's lessingia, Lemmon's vinegarweed
  Lewisia minima (A. Nelson) A. Nelson -- not accepted
  Liatris ligulistylis (A. Nelson) K. Schum. -- accepted -- Rocky Mountain blazing star, Rocky Mountain gayfeather, strap-style gayfeather
  Lilium montanum A. Nelson -- not accepted
  Lilium philadelphicum var. montanum (A. Nelson) Wherry -- not accepted
  Linum compactum A. Nelson -- accepted -- Wyoming flax
  Linum leptopoda A. Nelson -- not accepted
  Linum rigidum var. compactum (A. Nelson) C.M. Rogers -- not accepted
  Lomatium megarrhizum (A. Nelson) Mathias -- not accepted
  Lupinus arcticus var. humicola (A. Nelson) C.P. Sm. -- not accepted
  Lupinus humicola A. Nelson -- not accepted
  Lupinus leucophyllus var. tenuispicus (A. Nelson) C.P. Sm. -- not accepted
  Lupinus polyphyllus var. humicola (A. Nelson) Barneby -- not accepted
  Lupinus tenuispicus A. Nelson -- not accepted
  Lupinus X alpestris A. Nelson (pro. sp.) -- accepted -- alp lupine, Great Basin lupine, mountain lupine
  Luzula intermedia (Thuill.) A. Nelson -- not accepted
  Machaeranthera canescens var. latifolia (A. Nelson) S.L. Welsh, non A. Gray -- not accepted
  Machaeranthera canescens var. vacans (A. Nelson) S.L. Welsh -- not accepted
  Machaeranthera coronopifolia (Nutt.) A. Nelson -- not accepted
  Machaeranthera hansonii A. Nelson -- not accepted
  Machaeranthera hiemalis A. Nelson -- not accepted
  Machaeranthera inops A. Nelson & J.F. Macbr. -- not accepted
  Machaeranthera inops var. atrata A. Nelson & J.F. Macbr. -- not accepted
  Machaeranthera latifolia A. Nelson -- not accepted
  Machaeranthera magna A. Nelson -- not accepted
  Machaeranthera paniculata A. Nelson -- not accepted
  Machaeranthera pinnatifida ssp. gooddingii (A. Nelson) B.L. Turner & R.L. Hartm. -- not accepted -- Goodding's aster, Goodding's tansyaster
  Machaeranthera pinnatifida ssp. gooddingii var. gooddingii (A. Nelson) B.L. Turner & R.L. Hartm. -- not accepted -- Goodding's aster, Goodding's goldenweed, Goodding's tansyaster
  Machaeranthera pinnatifida var. gooddingii (A. Nelson) B.L. Turner & R.L. Hartm. -- not accepted -- Goodding's tansyaster
  Machaeranthera pulverulenta var. vacans A. Nelson -- not accepted
  Machaeranthera ramosa A. Nelson -- not accepted
  Machaeranthera superba A. Nelson -- not accepted
  Machaeranthera verna A. Nelson -- not accepted
  Macronema aberrans A. Nelson -- not accepted
  Macronema lineare var. canescens A. Nelson -- not accepted
  Maianthemum dilatatum (Alph. Wood) A. Nelson & J.F. Macbr. -- accepted -- false lily of the valley, false lily of the vally
  Maianthenum dilatatum (Alph. Wood) A. Nelson & J.F. Macbr. -- not accepted
  Mammillaria neomexicana (Engelm.) A. Nelson -- not accepted
  Meconella linearis (Benth.) A. Nelson & J.F. Macbr. -- not accepted
  Melica fugax var. macbridei (Rowland ex A. Nelson) Beetle -- not accepted
  Melica macbridei Rowland ex A. Nelson -- not accepted
  Mentzelia dispersa var. compacta (A. Nelson) J.F. Macbr. -- accepted -- Nevada blazingstar
  Mentzelia laevicaulis var. acuminata (Rydb.) A. Nelson & J.F. Macbr. -- not accepted
  Mentzelia multicaulis (Osterh.) A. Nelson ex J. Darl. -- accepted -- manystem blazingstar
  Mentzelia multicaulis var. multicaulis (Osterh.) A. Nelson ex J. Darl. -- accepted -- manystem blazingstar
  Mentzelia polita A. Nelson -- accepted -- polished blazingstar
  Mertensia campanulata A. Nelson -- accepted -- Idaho bluebells
  Mertensia lanceolata var. brachyloba (Greene) A. Nelson -- accepted -- prairie bluebells
  Mertensia lanceolata var. coriacea (A. Nelson) Higgins & S.L. Welsh -- accepted -- prairie bluebells
  Mertensia lanceolata var. viridis A. Nelson -- not accepted
  Mertensia oblongifolia var. amoena (A. Nelson) L.O. Williams -- not accepted
  Mertensia oblongifolia var. nevadensis (A. Nelson) L.O. Williams -- not accepted
  Mertensia palmeri A. Nelson & J.F. Macbr. -- not accepted
  Mertensia viridis (A. Nelson) A. Nelson -- not accepted
  Mertensia viridis var. caelestina (A. Nelson & Cockerell) L.O. Williams -- not accepted -- canescent bluebells
  Mertensia viridis var. dilata (A. Nelson) L.O. Williams -- not accepted -- smooth-leaf bluebells
  Mertensia viridis var. diliata (A. Nelson) L.O. Williams -- not accepted
  Miltitzia scopulina (A. Nelson) Rydb. -- not accepted
  Mimulus floribundus var. membranaceus (A. Nelson) A.L. Grant -- not accepted
  Mimulus langsdorffii var. microphyllus (Benth.) A. Nelson & J.F. Macbr. -- not accepted
  Mimulus langsdorffii var. minor (A. Nelson) Cockerell -- not accepted
  Mimulus langsdorfii var. microphyllus (Benth.) A. Nelson & J.F. Macbr. -- not accepted
  Mimulus langsdorfii var. minor (A. Nelson) Cockerell -- not accepted
  Mimulus membranaceus A. Nelson -- not accepted
  Mimulus minor A. Nelson -- not accepted
  Mimulus thermalis A. Nelson -- not accepted
  Mortonia utahensis (Coville ex A. Gray) A. Nelson -- accepted -- Utah mortonia
  Muhlenbergia setiglumis (S. Watson) A. Nelson & J.F. Macbr. -- not accepted
  Nemophila heterophylla var. tenera (Eastw.) A. Nelson & J.F. Macbr. -- not accepted
  Neoparrya megarrhiza (A. Nelson) W.A. Weber -- not accepted
  Noccaea fendleri ssp. glauca (A. Nelson) Al-Shehbaz & M. Koch -- accepted -- alpine pennycress
  Noccaea parviflora (A. Nelson) Holub -- accepted -- meadow pennycress
  Oenothera arenaria (A. Nelson) P.H. Raven -- not accepted
  Oenothera caespitosa var. psammophila (A. Nelson & J.F. Macbr.) Munz -- not accepted
  Oenothera cespitosa var. psammophila (A. Nelson & J.F. Macbr.) Munz -- not accepted
  Oenothera contorta var. flexuosa (A. Nelson) Munz -- not accepted
  Oenothera flava (A. Nelson) Garrett -- accepted -- long-tube evening primrose, long-tube evening-primrose, yellow evening primrose, yellow evening-primrose, yellow eveningprimrose
  Oenothera flava ssp. flava (A. Nelson) Garrett -- not accepted -- yellow evening primrose, yellow evening-primrose, yellow eveningprimrose
  Oenothera hookeri ssp. ornata (A. Nelson) Munz -- not accepted
  Oenothera hookeri var. ornata (A. Nelson) Munz -- not accepted
  Oenothera howardii (A. Nelson) W.L. Wagner -- accepted -- Howard's evening primrose, Howard's evening-primrose, Howard's eveningprimrose
  Oenothera longissima ssp. clutei (A. Nelson) Munz -- not accepted
  Oenothera longissima var. clutei (A. Nelson) Munz -- not accepted
  Oenothera micrantha var. exfoliata (A. Nelson) Munz -- not accepted
  Oenothera minor (A. Nelson) Munz -- not accepted
  Oenothera ornata (A. Nelson) Rydb. -- not accepted
  Oenothera psammophila (A. Nelson & J.F. Macbr.) W.L. Wagner, Stockh. & W.M. Klein -- accepted -- St. Anthony Dunes evening primrose, St. Anthony Dunes evening-primrose
  Oenothera scapoidea var. seorsa (A. Nelson) Munz -- not accepted
  Oenothera walkeri (A. Nelson) P.H. Raven -- not accepted
  Oonopsis foliosa var. monocephala (A. Nelson) Kartesz & Gandhi -- accepted -- Raven Ridge false goldenweed
  Oreocarya caespitosa A. Nelson -- not accepted
  Oreocarya cana A. Nelson -- not accepted
  Oreocarya flava A. Nelson -- not accepted
  Oreocarya flavoculata A. Nelson -- not accepted
  Oreocarya longiflora A. Nelson -- not accepted
  Oreocarya paradoxa A. Nelson -- not accepted
  Oreocarya propria A. Nelson & J.F. Macbr. -- not accepted
  Orobanche multiflora var. xanthochroa (A. Nelson & Cockerell) Munz -- not accepted
  Orobanche xanthochroa A. Nelson & Cockerell -- not accepted
  Oxytropis campestris ssp. gracilis (A. Nelson) Hultén -- not accepted
  Oxytropis campestris var. dispar (A. Nelson) Barneby -- accepted -- field locoweed, northern yellow locoweed
  Oxytropis campestris var. gracilis (A. Nelson) Barneby -- not accepted
  Oxytropis campestris var. rydbergii (A. Nelson) R.J. Davis -- not accepted
  Oxytropis dispar (A. Nelson) K. Schum. -- not accepted
  Oxytropis glabrata (Hook.) A. Nelson -- not accepted
  Oxytropis gracilis (A. Nelson) K. Schum. -- not accepted
  Oxytropis involuta (A. Nelson) K. Schum. -- not accepted
  Oxytropis monticola ssp. dispar (A. Nelson) Elisens & Packer -- not accepted
  Oxytropis patens (Rydb.) A. Nelson -- not accepted
  Oxytropis rydbergii A. Nelson -- not accepted
  Pachylophis montanus (Nutt.) A. Nelson -- not accepted
  Padus melanocarpa (A. Nelson) Shafer -- not accepted
  Padus virginiana ssp. melanocarpa (A. Nelson) W.A. Weber -- not accepted
  Paronychia depressa (Torr. & A. Gray) Nutt. ex A. Nelson -- accepted -- spreading nailwort
  Paronychia depressa var. brevicuspis (A. Nelson) Chaudhri -- not accepted
  Paronychia depressa var. depressa (Torr. & A. Gray) Nutt. ex A. Nelson -- not accepted -- spreading nailwort
  Paronychia depressa var. diffusa (A. Nelson) Chaudhri -- not accepted
  Paronychia dichotoma (Michx.) A. Nelson -- not accepted
  Paronychia diffusa A. Nelson -- not accepted
  Pedicularis contorta var. ctenophora (Rydb.) A. Nelson & J.F. Macbr. -- accepted -- coiled lousewort
  Pedicularis contorta var. tenophora (Rydb.) A. Nelson & J.F. Macbr. -- not accepted
  Pedicularis grayi A. Nelson -- accepted -- giant lousewort
  Penstemon arenicola A. Nelson -- accepted -- sand penstemon
  Penstemon caespitosus ssp. desertipicti (A. Nelson) D.D. Keck -- not accepted
  Penstemon caespitosus var. desertipicti (A. Nelson) N.H. Holmgren -- accepted -- mat penstemon, tufted penstemon
  Penstemon cardinalis ssp. regalis (A. Nelson) G.T. Nisbet & R.C. Jacks. -- accepted -- cardinal beardtongue
  Penstemon clutei A. Nelson -- accepted -- Sunset Crater beardtongue, Sunset Crater penstemon
  Penstemon coloradoensis A. Nelson -- not accepted
  Penstemon crandallii A. Nelson -- accepted -- Crandall's beardtongue
  Penstemon crandallii ssp. crandallii A. Nelson -- accepted -- Crandall's beardtongue
  Penstemon eatonii ssp. exsertus (A. Nelson) D.D. Keck -- accepted -- Eaton's firecracker, Eaton's penstemon, firecracker penstemon
  Penstemon eriantherus var. whitedii (Piper) A. Nelson -- accepted -- Whited's penstemon
  Penstemon griffinii A. Nelson -- accepted -- Griffin's beardtongue
  Penstemon laricifolius ssp. exilifolius (A. Nelson) D.D. Keck -- not accepted -- larchleaf beardtongue
  Penstemon laricifolius var. exilifolius (A. Nelson) Payson -- accepted -- larchleaf beardtongue
  Penstemon laxus A. Nelson -- accepted -- tufted penstemon
  Penstemon linarioides ssp. coloradoensis (A. Nelson) D.D. Keck -- accepted -- Colorado penstemon, toadflax penstemon
  Penstemon minidokanus A. Nelson & J.F. Macbr. -- not accepted
  Penstemon payettensis A. Nelson & J.F. Macbr. -- accepted -- Payette beardtongue
  Penstemon perpulcher A. Nelson -- accepted -- Minidoka beardtongue
  Penstemon procerus ssp. formosus (A. Nelson) D.D. Keck -- not accepted
  Penstemon procerus var. aberrans (M.E. Jones) A. Nelson -- accepted -- pincushion beardtongue
  Penstemon procerus var. formosus (A. Nelson) Cronquist -- accepted -- pincushion beardtongue, pincushion penstemon
  Penstemon pseudospectabilis ssp. connatifolius (A. Nelson) D.D. Keck -- accepted -- desert beardtongue, desert penstemon
  Penstemon putus A. Nelson -- accepted -- Black River beardtongue
  Penstemon radicosus A. Nelson -- accepted -- matroot penstemon
  Penstemon rydbergii A. Nelson -- accepted -- meadow beardtongue, Rydberg's penstemon
  Penstemon rydbergii var. rydbergii A. Nelson -- accepted -- swollen penstemon
  Penstemon rydbergii var. varians (A. Nelson) Cronquist -- not accepted
  Penstemon seorsus (A. Nelson) D.D. Keck -- accepted -- shortlobe penstemon
  Penstemon sepalulus A. Nelson -- accepted -- littlecup beardtongue
  Penstemon speciosus ssp. kennedyi (A. Nelson) D.D. Keck -- not accepted
  Penstemon superbus A. Nelson -- accepted -- superb beardtongue
  Penstemon tolmiei ssp. formosus (A. Nelson) D.D. Keck -- not accepted
  Penstemon virgatus ssp. putus (A. Nelson) Crosswh. -- not accepted
  Penstemon watsonii ssp. laxus (A. Nelson) D.D. Keck -- not accepted
  Penstemon X crideri A. Nelson (pro. sp.) -- accepted -- Crider's penstemon
  Penstemon X mirus A. Nelson (pro. sp.) -- accepted -- bush penstemon
  Pentameris americana (Scribn.) A. Nelson & J.F. Macbr. -- not accepted
  Pentameris californica (Bol.) A. Nelson & J.F. Macbr. -- not accepted
  Pentameris compressa (Austin) A. Nelson & J.F. Macbr. -- not accepted
  Pentameris epilis (Scribn.) A. Nelson & J.F. Macbr. -- not accepted
  Pentameris grandiflora (Hochst. ex A. Rich.) A. Nelson & J. F. Macbr. -- not accepted
  Pentameris intermedia (Vasey) A. Nelson & J.F. Macbr. -- not accepted
  Pentameris sericea (Nutt.) A. Nelson & J.F. Macbr. -- not accepted
  Pentameris spicata (L.) A. Nelson & J.F. Macbr. -- not accepted
  Pentameris thermale (Scribn.) A. Nelson & J.F. Macbr. -- not accepted
  Pentameris unispicata (Thurb.) A. Nelson & J.F. Macbr. -- not accepted
  Perideridia bolanderi (A. Gray) A. Nelson & J.F. Macbr. -- accepted -- Bolander's yampah
  Perideridia bolanderi ssp. bolanderi (A. Gray) A. Nelson & J.F. Macbr. -- accepted -- Bolander's yampah
  Perideridia californica (Torr.) A. Nelson & J.F. Macbr. -- accepted -- California yampah
  Perideridia parishii (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. -- accepted -- Parish's yampah, Sierra Queen Anne's lace
  Perideridia parishii ssp. parishii (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. -- accepted -- Parish's yampah
  Perideridia pringlei (J.M. Coult. & Rose) A. Nelson & J.F. Macbr. -- accepted -- adobe yampah
  Petalostemon purpureus var. mollis (Rydb.) A. Nelson -- not accepted
  Peucedanum megarrhizum A. Nelson -- not accepted
  Phacelia argentea A. Nelson & J.F. Macbr. -- accepted -- Sand dune phacelia, sanddune phacelia
  Phacelia bicolor var. leibergii (Brand) A. Nelson & J.F. Macbr. -- not accepted
  Phacelia corrugata A. Nelson -- not accepted
  Phacelia crenulata var. corrugata (A. Nelson) Brand -- accepted -- cleftleaf scorpion-weed, cleftleaf wildheliotrope, wildheliotrope
  Phacelia deserta A. Nelson -- not accepted
  Phacelia glandulosa var. deserta (A. Nelson) Brand -- accepted -- glandular phacelia
  Phacelia ivesiana var. glandulifera (Piper) A. Nelson & J.F. Macbr. -- not accepted
  Phacelia lutea var. scopulina (A. Nelson) Cronquist -- not accepted
  Phacelia salima (A. Nelson) J.T. Howell -- not accepted
  Phacelia salina (A. Nelson) J.T. Howell -- accepted -- alkaline phacelia, Bitter Creek phacelia
  Phacelia scopulina (A. Nelson) J.T. Howell -- accepted -- Debeque phacelia, Debeque scorpion-weed, prostrate phacelia
  Phacelia scopulina var. scopulina (A. Nelson) J.T. Howell -- accepted -- Debeque phacelia
  Phacelia sericea var. biennis (A. Nelson) Brand -- not accepted
  Philadelphus lewisii var. intermedius (A. Nelson) S.Y. Hu -- not accepted -- intermediate mockorange
  Philadelphus microphyllus ssp. occidentalis (A. Nelson) C.L. Hitchc. -- not accepted
  Philadelphus microphyllus var. occidentalis (A. Nelson) Dorn -- not accepted
  Philadelphus occidentalis A. Nelson -- not accepted -- western mock orange, western mockorange
  Philadelphus occidentalis var. occidentalis A. Nelson -- not accepted -- western mock orange, western mockorange
  Phlox aculeata A. Nelson -- accepted -- sagebrush phlox
  Phlox alyssifolia ssp. abdita (A. Nelson) Wherry -- accepted -- alyssumleaf phlox
  Phlox andicola ssp. planitiarum (A. Nelson) Wherry -- not accepted
  Phlox cluteana A. Nelson -- accepted -- Navajo Mountain phlox
  Phlox longifolia ssp. cortezana (A. Nelson) Wherry -- not accepted
  Phlox multiflora A. Nelson -- accepted -- flowery phlox, Rocky Mountain phlox
  Phlox multiflora ssp. multiflora A. Nelson -- accepted -- flowery phlox
  Phlox multiflora ssp. patula (A. Nelson) Wherry -- accepted -- Rocky Mountain phlox
  Phlox patula A. Nelson -- not accepted
  Physaria curvipes (A. Nelson) Grady & O'Kane -- accepted -- curved bladderpod
  Physaria didymocarpa ssp. lanata (A. Nelson) O'Kane -- accepted -- common twinpod
  Physaria didymocarpa var. lanata A. Nelson -- not accepted -- common twinpod
  Physaria kingii ssp. latifolia (A. Nelson) O'Kane & Al-Shehbaz -- accepted -- King bladderpod
  Physaria lanata (A. Nelson) Rydb. -- not accepted
  Physaria macrocarpa (A. Nelson) O'Kane & Al-Shehbaz -- accepted -- largefruit bladderpod
  Physaria prostrata (A. Nelson) O'Kane & Al-Shehbaz -- accepted -- low bladderpod
  Physaria tenella (A. Nelson) O'Kane & Al-Shehbaz -- accepted -- Moapa bladderpod
  Plantago gooddingii A. Nelson & P.B. Kenn. -- not accepted
  Polemonium haydenii A. Nelson -- not accepted
  Polygonum emaciatum A. Nelson -- not accepted
  Polypodium vulgare var. hesperium (Maxon) A. Nelson & J.F. Macbr. -- not accepted
  Populus fortissima A. Nelson & J.F. Macbr. -- not accepted
  Porophyllum putidum A. Nelson -- not accepted
  Potentilla fastigiata var. jucunda (A. Nelson) Soják -- not accepted
  Potentilla glomerata A. Nelson -- not accepted
  Potentilla jucunda A. Nelson -- not accepted
  Potentilla monidensis A. Nelson -- not accepted
  Potentilla osterhoutii (A. Nelson) J.T. Howell -- not accepted
  Potentilla pensylvanica var. virgulata (A. Nelson) Th. Wolf -- not accepted -- Pennsylvania cinquefoil
  Potentilla plattensis var. pedicellata A. Nelson -- not accepted
  Potentilla virgulata A. Nelson -- not accepted
  Potentilla wyomingensis A. Nelson -- not accepted
  Prenanthes sagittata (A. Gray) A. Nelson -- accepted -- arrowleaf rattlesnakeroot
  Primula pauciflora var. shoshonensis (A. Nelson) A.R. Mast & Reveal -- accepted -- alkali-meadows shootingstar
  Prunus demissa var. melanocarpa (A. Nelson) A. Nelson -- not accepted
  Prunus melanocarpa (A. Nelson) Rydb. -- not accepted
  Prunus virginiana ssp. melanocarpa (A. Nelson) Roy L. Taylor & MacBryde -- not accepted
  Prunus virginiana var. melanocarpa (A. Nelson) Sarg. -- not accepted -- black chokecherry, choke cherry
  Psilostrophe sparsiflora (A. Gray) A. Nelson -- accepted -- greenstem paperflower
  Psilostrophe tagetina var. cerifera (A. Nelson) B.L. Turner -- not accepted -- hairy paperflower, paperflower, woolly paperflower
  Psilostrophe tagetina var. lanata A. Nelson -- not accepted
  Purpusia osterhoutii A. Nelson -- not accepted
  Ranunculus alpeophilus A. Nelson -- not accepted
  Ranunculus inamoenus var. alpeophilus (A. Nelson) L.D. Benson -- not accepted -- graceful buttercup
  Ranunculus jovis A. Nelson -- accepted -- Utah buttercup
  Ranunculus reconditus A. Nelson & J.F. Macbr. -- not accepted
  Rhamnus rubra ssp. nevadensis (A. Nelson) C.B. Wolf -- accepted -- Nevada buckthorn
  Rhododendron albiflorum var. warrenii (A. Nelson) M.A. Lane -- not accepted -- Cascade azalea
  Rudbeckia ampla A. Nelson -- not accepted
  Rudbeckia laciniata ssp. ampla (A. Nelson) W.A. Weber -- not accepted
  Rudbeckia laciniata var. ampla (A. Nelson) Cronquist -- accepted -- cutleaf coneflower, green-head coneflower
  Rumex hymenosepalus var. salinus (A. Nelson) Rech. f. -- not accepted
  Salicornia europaea ssp. rubra (A. Nelson) Breitung -- not accepted
  Salicornia rubra A. Nelson -- accepted -- red saltwort, red swampfire, Rocky Mountain glasswort, western samphire
  Salix boiseana A. Nelson -- not accepted
  Salsola pestifer A. Nelson -- not accepted
  Salvia summa A. Nelson -- accepted -- great sage
  Saxifraga austrina (A. Nelson) A. Nelson -- not accepted
  Saxifraga rhomboidea var. austrina A. Nelson -- not accepted
  Scirpus maritimus var. paludosus (A. Nelson) Kük. -- not accepted
  Scirpus paludosus A. Nelson -- not accepted
  Sedum integrifolium (Raf.) A. Nelson -- not accepted -- ledge stonecrop
  Sedum integrifolium ssp. integrifolium (Raf.) A. Nelson -- not accepted -- entireleaf stonecrop
  Senecio serra var. admirabilis (Greene) A. Nelson -- accepted -- tall ragwort
  Senecio uintahensis (A. Nelson) Greenm. -- not accepted
  Seriphidium novum (A. Nelson) W.A. Weber -- not accepted
  Sidalcea neomexicana ssp. crenulata (A. Nelson) C.L. Hitchc. -- not accepted -- New Mexico checkermallow, salt spring checkerbloom
  Sidalcea neomexicana var. crenulata (A. Nelson) C.L. Hitchc. -- not accepted
  Sideranthus gooddingii A. Nelson -- not accepted
  Sideranthus gracilis (Nutt.) A. Nelson -- not accepted
  Sideranthus spinulosus var. glaberrimus (Rydb.) A. Nelson -- not accepted
  Sisyrinchium inalatum A. Nelson -- not accepted
  Solidago camporum (Greene) A. Nelson -- not accepted
  Solidago pulcherrima A. Nelson -- not accepted
  Solidago scopulorum (A. Gray) A. Nelson -- not accepted
  Sophia paradisa A. Nelson & P.B. Kenn. -- not accepted
  Spergularia sparsiflora (Greene) A. Nelson -- not accepted
  Sphaeralcea parvifolia A. Nelson -- accepted -- smallflower globemallow
  Sphaeromeria simplex (A. Nelson) A. Heller -- accepted -- Laramie chickensage
  Sphaerostigma minor A. Nelson -- not accepted
  Spiranthes stricta (Rydb.) A. Nelson -- not accepted
  Stanleya rara A. Nelson -- not accepted
  Stellaria praecox A. Nelson -- not accepted
  Stellaria valida (Goodd.) J.M. Coult. & A. Nelson -- not accepted
  Stephanomeria pauciflora (Torr.) A. Nelson -- accepted -- brownplume wirelettuce, fewflower wirelettuce, skeletonweed, wire lettuce, wire-lettuce
  Stephanomeria pauciflora var. pauciflora (Torr.) A. Nelson -- not accepted
  Swida instolonea (A. Nelson) Rydb. -- not accepted
  Symphoricarpos oreophilus var. utahensis (Rydb.) A. Nelson -- accepted -- Utah snowberry
  Symphoricarpos tetonensis A. Nelson -- not accepted
  Synthyris wyomingensis (A. Nelson) A. Heller -- accepted -- Wyoming kittentails
  Tanacetum simplex A. Nelson -- not accepted
  Taraxacum carneocoloratum A. Nelson -- accepted -- fleshy dandelion
  Tetraclea coulteri var. angustifolia (Wooton & Standl.) A. Nelson & J.F. Macbr. -- not accepted
  Tetradymia axillaris A. Nelson -- accepted -- longspine horsebrush
  Tetradymia axillaris var. axillaris A. Nelson -- accepted -- longspine horsebrush
  Tetraneuris acaulis var. caespitosa A. Nelson -- accepted -- caespitose four-nerve daisy
  Tetraneuris acaulis var. epunctata (A. Nelson) Kartesz & Gandhi -- accepted -- stemless four-nerve daisy
  Tetraneuris epunctata A. Nelson -- not accepted
  Tetraneuris mancosensis A. Nelson -- not accepted
  Tetraneuris simplex A. Nelson -- not accepted
  Thelypodium laciniatum var. milleflorum (A. Nelson) Payson -- not accepted
  Thelypodium milleflorum A. Nelson -- accepted -- manyflower thelypody, sand dune thelypody
  Thelypodium paniculatum A. Nelson -- accepted -- northwestern thelypody
  Thermopsis arenosa A. Nelson -- not accepted
  Thermopsis divaricarpa A. Nelson -- accepted -- pine goldenpea, spreadfruit goldenbanner
  Thermopsis montana var. divaricarpa (A. Nelson) Dorn -- not accepted
  Thermopsis rhombifolia var. annulocarpa (A. Nelson) L.O. Williams -- not accepted
  Thermopsis rhombifolia var. arenosa (A. Nelson) Larisey -- not accepted
  Thermopsis rhombifolia var. divaricarpa (A. Nelson) Isely -- not accepted
  Thlaspi alpestre var. glaucum A. Nelson -- not accepted
  Thlaspi australe A. Nelson -- not accepted
  Thlaspi fendleri var. glaucum (A. Nelson) C.L. Hitchc. -- not accepted
  Thlaspi glaucum (A. Nelson) A. Nelson -- not accepted
  Thlaspi parviflorum A. Nelson -- not accepted -- meadow pennycress
  Thlaspi prolixum A. Nelson -- not accepted
  Thlaspi stipitatum A. Nelson -- not accepted
  Tithymalus mancus (A. Nelson) A. Heller -- not accepted
  Tonestus A. Nelson -- accepted -- serpentweed, tonestus
  Tonestus aberrans (A. Nelson) G.L. Nesom & D. Morgan -- not accepted -- Idaho goldenweed
  Tonestus eximius (H.M. Hall) A. Nelson & J.F. Macbr. -- accepted -- Lake Tahoe serpentweed, Tahoe goldenweed
  Tonestus lyallii (A. Gray) A. Nelson -- accepted -- alpine goldenweed, Lyall's goldenweed
  Tonestus pygmaeus (Torr. & A. Gray) A. Nelson -- accepted -- pygmy goldenweed
  Townsendia pinetorum Greene ex A. Nelson -- not accepted
  Trifolium gymnocarpon var. subcaulescens (A. Gray) A. Nelson -- not accepted
  Trifolium kennedianum (McDermott) A. Nelson & J.F. Macbr. -- not accepted
  Trifolium leibergii A. Nelson & J.F. Macbr. -- accepted -- Leiberg's clover
  Trifolium longipes ssp. reflexum (A. Nelson) J.M. Gillett -- accepted -- droopflower clover
  Trifolium longipes var. reflexum A. Nelson -- not accepted
  Trifolium rusbyi ssp. reflexum (A. Nelson) D. Heller & Zohary -- not accepted
  Trifolium scariosum A. Nelson -- not accepted
  Triniteurybia aberrans (A. Nelson) Brouillet, Urbatsch & R.P. Roberts -- accepted -- Idaho goldenweed
  Valeriana acutiloba var. ovata (Rydb.) A. Nelson -- not accepted
  Verbena verna A. Nelson -- not accepted
  Verbena verna var. fissa A. Nelson -- not accepted
  Vicia americana var. oregana (Nutt.) A. Nelson -- not accepted
  Viguiera multiflora var. nevadensis (A. Nelson) S.F. Blake -- not accepted
  Viola nuttallii ssp. vallicola (A. Nelson) Roy L. Taylor & MacBryde -- not accepted
  Viola nuttallii var. vallicola (A. Nelson) H. St. John -- not accepted
  Viola vallicola A. Nelson -- accepted -- sagebrush violet, valley violet
  Viola vallicola var. vallicola A. Nelson -- accepted -- sagebrush violet
  Wyethia X magna A. Nelson (pro sp.) -- accepted -- wyethia
  Xanthisma spinulosum var. gooddingii (A. Nelson) D.R. Morgan & R.L. Hartm. -- accepted
  Xylorhiza glabriuscula var. villosa (Nutt.) A. Nelson -- not accepted -- villous woodyaster
  Xylorhiza scopulorum A. Nelson -- not accepted
  Zauschneria garrettii A. Nelson -- not accepted
  Zauschneria latifolia var. garrettii (A. Nelson) Hilend -- not accepted
   

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