| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| OXGR3 | Oxytropis gracilis (A. Nels.) K. Schum. | Oxytropis monticola | Fabaceae
|
| OXHU | Oxytropis huddelsonii Porsild | Huddelson's locoweed | Fabaceae
|
| OXHY | Oxytropis hyperborea Porsild | Oxytropis campestris var. varians | Fabaceae
|
| OXIN4 | Oxytropis involuta (A. Nels.) K. Schum. | Oxytropis lambertii var. lambertii | Fabaceae
|
| OXIX | Oxytropis ixodes Butters & Abbe | Oxytropis borealis var. viscida | Fabaceae
|
| OXJO3 | Oxytropis johannensis (Fern.) Heller | Oxytropis campestris var. johannensis | Fabaceae
|
| OXJO | Oxytropis jonesii Barneby | Oxytropis oreophila var. jonesii | Fabaceae
|
| OXJO2 | Oxytropis jordalii Porsild | Oxytropis campestris var. jordalii | Fabaceae
|
| OXKO | Oxytropis kobukensis Welsh | Kobuk locoweed | Fabaceae
|
| OXKO2 | Oxytropis kokrinensis Porsild | Kokrines locoweed | Fabaceae
|
| OXKO3 | Oxytropis koyukukensis Porsild | Oxytropis arctica var. koyukukensis | Fabaceae
|
| OXLAA | Oxytropis lagopus Nutt. var. atropurpurea (Rydb.) Barneby | haresfoot locoweed | Fabaceae
|
| OXLAC | Oxytropis lagopus Nutt. var. conjugans Barneby | haresfoot locoweed | Fabaceae
|
| OXLAL | Oxytropis lagopus Nutt. var. lagopus | haresfoot locoweed | Fabaceae
|
| OXLA2 | Oxytropis lagopus Nutt. | haresfoot locoweed | Fabaceae
|
| OXLAB2 | Oxytropis lambertii Pursh ssp. bigelovii (Gray) W.A. Weber | Oxytropis lambertii var. bigelovii | Fabaceae
|
| OXLAA2 | Oxytropis lambertii Pursh var. articulata (Greene) Barneby | purple locoweed | Fabaceae
|
| OXLAB | Oxytropis lambertii Pursh var. bigelovii Gray | purple locoweed | Fabaceae
|
| OXLAL2 | Oxytropis lambertii Pursh var. lambertii | purple locoweed | Fabaceae
|
| OXLA3 | Oxytropis lambertii Pursh | purple locoweed | Fabaceae
|
| OXLED | Oxytropis leucantha (Pallas) Pers. var. depressus (Rydb.) Boivin | Oxytropis borealis var. viscida | Fabaceae
|
| OXLEG | Oxytropis leucantha (Pallas) Pers. var. gaspensis (Fern. & Kelsey) Boivin | Oxytropis borealis var. viscida | Fabaceae
|
| OXLEI | Oxytropis leucantha (Pallas) Pers. var. ixodes (Butters & Abbe) Boivin | Oxytropis borealis var. viscida | Fabaceae
|
| OXLEM | Oxytropis leucantha (Pallas) Pers. var. magnifica Boivin | Oxytropis borealis var. viscida | Fabaceae
|
| OXLEV | Oxytropis leucantha (Pallas) Pers. var. viscida (Nutt.) Boivin | Oxytropis borealis var. viscida | Fabaceae
|
| OXLU3 | Oxytropis luteola (Greene) Piper & Beattie | Oxytropis monticola | Fabaceae
|
| OXMA4 | Oxytropis macounii (Greene) Rydb. | Oxytropis campestris var. spicata | Fabaceae
|
| OXMAM | Oxytropis maydelliana Trautv. ssp. melanocephala (Hook.) Porsild | Oxytropis maydelliana | Fabaceae
|
| OXMA2 | Oxytropis maydelliana Trautv. | Maydell's oxytrope | Fabaceae
|
| OXME2 | Oxytropis mertensiana Turcz. | Mertens' oxytrope | Fabaceae
|
| OXMOD | Oxytropis monticola Gray ssp. dispar (A. Nels.) Elisens & Packer | Oxytropis campestris var. dispar | Fabaceae
|
| OXMO2 | Oxytropis monticola Gray | yellowflower locoweed | Fabaceae
|
| OXMU | Oxytropis multiceps Nutt. | Nuttall's oxytrope | Fabaceae
|
| OXNAA | Oxytropis nana Nutt. var. argophylla (Rydb.) Isely | Oxytropis besseyi var. argophylla | Fabaceae
|
| OXNAB | Oxytropis nana Nutt. var. besseyi (Rydb.) Isely | Oxytropis besseyi var. besseyi | Fabaceae
|
| OXNAF | Oxytropis nana Nutt. var. fallax (Barneby) Isely | Oxytropis besseyi var. fallax | Fabaceae
|
| OXNAO | Oxytropis nana Nutt. var. obnapiformis (C.L. Porter) Isely | Oxytropis besseyi var. obnapiformis | Fabaceae
|
| OXNAS | Oxytropis nana Nutt. var. salmonensis (Barneby) Isely | Oxytropis besseyi var. salmonensis | Fabaceae
|
| OXNAV | Oxytropis nana Nutt. var. ventosa (Greene) Isely | Oxytropis besseyi var. ventosa | Fabaceae
|
| OXNA | Oxytropis nana Nutt. | Wyoming locoweed | Fabaceae
|
| OXNIB | Oxytropis nigrescens (Pallas) Fisch. ex DC. ssp. bryophila (Greene) Hult�n | Oxytropis nigrescens | Fabaceae
|
| OXNIP | Oxytropis nigrescens (Pallas) Fisch. ex DC. ssp. pygmaea (Pallas) Hult�n | Oxytropis nigrescens | Fabaceae
|
| OXNI | Oxytropis nigrescens (Pallas) Fisch. ex DC. | blackish oxytrope | Fabaceae
|
| OXOB2 | Oxytropis obnapiformis C.L. Porter | Oxytropis besseyi var. obnapiformis | Fabaceae
|
| OXORJ2 | Oxytropis oreophila Gray var. jonesii (Barneby) Barneby | Jone's oxytrope | Fabaceae
|
| OXORJ | Oxytropis oreophila Gray var. juniperina Welsh | mountain oxytrope | Fabaceae
|
| OXORO | Oxytropis oreophila Gray var. oreophila | mountain oxytrope | Fabaceae
|
| OXOR2 | Oxytropis oreophila Gray | mountain oxytrope | Fabaceae
|
| OXPA2 | Oxytropis parryi Gray | Parry's oxytrope | Fabaceae
|
| OXPA5 | Oxytropis patens (Rydb.) A. Nels. | Oxytropis lambertii var. bigelovii | Fabaceae
|
| OXPI3 | Oxytropis pinetorum (Heller) K. Schum. | Oxytropis sericea var. sericea | Fabaceae
|
| OXPOI | Oxytropis podocarpa Gray var. inflata (Hook.) Boivin | Oxytropis podocarpa | Fabaceae
|
| OXPO | Oxytropis podocarpa Gray | stalkpod locoweed | Fabaceae
|
| OXPY | Oxytropis pygmaea (Pallas) Fern. | Oxytropis nigrescens | Fabaceae
|
| OXRI2 | Oxytropis richardsonii (Hook.) K. Schum. | Oxytropis splendens | Fabaceae
|
| OXRI80 | Oxytropis riparia Litv. | Oxus locoweed | Fabaceae
|
| OXRO3 | Oxytropis roaldii Ostenf. | Oxytropis campestris var. roaldii | Fabaceae
|
| OXRY | Oxytropis rydbergii A. Nels. | Oxytropis campestris var. cusickii | Fabaceae
|
| OXSC | Oxytropis scammaniana Hult�n | Scamman's oxytrope | Fabaceae
|
| OXSES3 | Oxytropis sericea Nutt. ssp. spicata (Hook.) Cody | Oxytropis campestris var. spicata | Fabaceae
|
| OXSES | Oxytropis sericea Nutt. var. sericea | white locoweed | Fabaceae
|
| OXSES2 | Oxytropis sericea Nutt. var. speciosa (Torr. & Gray) Welsh | white locoweed | Fabaceae
|
| OXSES8 | Oxytropis sericea Nutt. var. spicata (Hook.) Barneby | Oxytropis campestris var. spicata | Fabaceae
|
| OXSE | Oxytropis sericea Nutt. | white locoweed | Fabaceae
|
| OXSH | Oxytropis sheldonensis Porsild | Oxytropis borealis var. sulphurea | Fabaceae
|
| OXSOB | Oxytropis sordida (Willd.) Pers. ssp. barnebyana (Welsh) Yurtsev | Oxytropis arctica var. barnebyana | Fabaceae
|
| OXSO | Oxytropis sordida auct. non (Willd.) Pers. p.p. | Oxytropis arctica var. barnebyana | Fabaceae
|
| OXSP2 | Oxytropis spicata (Hook.) Standl. | Oxytropis campestris var. spicata | Fabaceae
|
| OXSPR | Oxytropis splendens Dougl. ex Hook. var. richardsonii Hook. | Oxytropis splendens | Fabaceae
|
| OXSPV | Oxytropis splendens Dougl. ex Hook. var. vestita Hook. | Oxytropis splendens | Fabaceae
|
| OXSP | Oxytropis splendens Dougl. ex Hook. | showy locoweed | Fabaceae
|
| OXTA | Oxytropis tananensis Yurtzev | Oxytropis campestris var. varians | Fabaceae
|
| OXURS | Oxytropis uralensis C.A. Mey. var. subsucculenta Hook. | Oxytropis borealis var. borealis | Fabaceae
|
| OXVA | Oxytropis varians (Rydb.) K. Schum. | Oxytropis campestris var. varians | Fabaceae
|
| OXVE | Oxytropis verruculosa Porsild | Oxytropis borealis var. sulphurea | Fabaceae
|
| OXVI3 | Oxytropis villosa (Rydb.) K. Schum. | Oxytropis monticola | Fabaceae
|
| OXVIS | Oxytropis viscida Nutt. var. subsucculenta (Hook.) Barneby | Oxytropis borealis var. borealis | Fabaceae
|
| OXVI2 | Oxytropis viscida Nutt. | Oxytropis borealis var. viscida | Fabaceae
|
| OXVIS2 | Oxytropis viscidula Tidestrom ssp. sulphurea Porsild | Oxytropis borealis var. sulphurea | Fabaceae
|
| OXYTR | Oxytropis DC. | locoweed | Fabaceae
|
| OZAN | Ozomelis anomala (Piper) Rydb. | Mitella trifida var. trifida | Saxifragaceae
|
| OZDI | Ozomelis diversifolia (Greene) Rydb. | Mitella diversifolia | Saxifragaceae
|
| OZMI | Ozomelis micrantha (Piper) Rydb. | Mitella trifida var. trifida | Saxifragaceae
|
| OZST | Ozomelis stauropetala (Piper) Rydb. | Mitella stauropetala var. stauropetala | Saxifragaceae
|
| OZTR | Ozomelis trifida (Graham) Rydb. | Mitella trifida var. trifida | Saxifragaceae
|
| PAIN7 | Pachira insignis (Sw.) Sw. ex Savigny | wild chestnut | Bombacaceae
|
| PACHI | Pachira Aubl. | pachira | Bombacaceae
|
| PASC14 | Pachycereus schottii (Engelm.) D.R. Hunt | senita cactus | Cactaceae
|
| PATH3 | Pachycereus thurberi (Engelm.) H. Bravo | Stenocereus thurberi | Cactaceae
|
| PACHY4 | Pachycereus (Berger) Britt. & Rose | pachycereus | Cactaceae
|
| PACA36 | Pachylophis caespitosus (Nutt.) Raimann | Oenothera caespitosa ssp. caespitosa | Onagraceae
|
| PACE2 | Pachylophis cespitosus (Nutt.) Raimann [orthographic variant] | Oenothera caespitosa ssp. caespitosa | Onagraceae
|
| PAMO9 | Pachylophis montanus (Nutt.) A. Nels. | Oenothera caespitosa ssp. caespitosa | Onagraceae
|
| PAMU14 | Pachyospora mutabilis (Ach.) A. Massal. | Megaspora verrucosa | Hymeneliaceae
|
| PAVE7 | Pachyospora verrucosa (Ach.) A. Massal. | Megaspora verrucosa | Hymeneliaceae
|
| PAFA9 | Pachyphiale fagicola (Hepp) Zwackh | | Gyalectaceae
|
| PAGY3 | Pachyphiale gyalizella (Nyl.) S. Ekman | | Gyalectaceae
|
| PACHY5 | Pachyphiale Lonnr. | pachyphiale | Gyalectaceae
|
| PAAL14 | Pachyptera alliacea (Lam.) A.H. Gentry | Mansoa alliacea | Bignoniaceae
|
| PAAH4 | Pachyrhizus ahipa (Wedd.) L. Parodi | yam bean | Fabaceae
|
| PAAN16 | Pachyrhizus angulatus Rich. ex DC. | Pachyrhizus erosus | Fabaceae
|