| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| OXPU2 | Oxalis purpurea L. | purple woodsorrel | Oxalidaceae
|
| OXPU4 | Oxalis pusilla Salisb. | Oxalis corniculata | Oxalidaceae
|
| OXRA | Oxalis radicosa A. Rich. | dwarf woodsorrel | Oxalidaceae
|
| OXREF | Oxalis recurva Ell. var. floridana Wieg. | Oxalis priceae ssp. texana | Oxalidaceae
|
| OXREM | Oxalis recurva Ell. var. macrantha auct. non (Trel.) Wieg. | Oxalis suksdorfii | Oxalidaceae
|
| OXRET | Oxalis recurva Ell. var. texana (Small) Wieg. | Oxalis priceae ssp. texana | Oxalidaceae
|
| OXRE2 | Oxalis recurva Ell. | Oxalis priceae ssp. colorea | Oxalidaceae
|
| OXRE3 | Oxalis recurva Trel., non Ell. | Oxalis grandis | Oxalidaceae
|
| OXRE5 | Oxalis regnellii Miq. | sorrel | Oxalidaceae
|
| OXRE | Oxalis repens Thunb. | Oxalis corniculata | Oxalidaceae
|
| OXRO4 | Oxalis rosea Feuillee ex Jacq. | sorrel | Oxalidaceae
|
| OXRU | Oxalis rubra St.-Hil. | windowbox woodsorrel | Oxalidaceae
|
| OXRU4 | Oxalis rufa Small | Oxalis stricta | Oxalidaceae
|
| OXRU2 | Oxalis rugeliana Urban | coamo | Oxalidaceae
|
| OXRU3 | Oxalis rupestris Raf. | Oxalis stricta | Oxalidaceae
|
| OXSI | Oxalis simulans Baker | Oxalis radicosa | Oxalidaceae
|
| OXSPV2 | Oxalis spiralis Donn. Sm. ssp. vulcanicola (Donn.Sm.) Lourteig | volcanic sorrel | Oxalidaceae
|
| OXSP5 | Oxalis spiralis G. Don | spiral sorrel | Oxalidaceae
|
| OXSTD | Oxalis stricta L. var. decumbens Bitter | Oxalis stricta | Oxalidaceae
|
| OXSTP | Oxalis stricta L. var. piletocarpa Wieg. | Oxalis stricta | Oxalidaceae
|
| OXSTR | Oxalis stricta L. var. rufa (Small) Farw. | Oxalis stricta | Oxalidaceae
|
| OXSTV | Oxalis stricta L. var. villicaulis (Wieg.) Farw. | Oxalis stricta | Oxalidaceae
|
| OXST | Oxalis stricta L. | common yellow oxalis | Oxalidaceae
|
| OXSU | Oxalis suksdorfii Trel. | Suksdorf woodsorrel | Oxalidaceae
|
| OXTE3 | Oxalis texana (Small) Fedde | Oxalis priceae ssp. texana | Oxalidaceae
|
| OXTR | Oxalis trilliifolia Hook. | threeleaf woodsorrel | Oxalidaceae
|
| OXTU2 | Oxalis tuberosa Molina | oca | Oxalidaceae
|
| OXVI5 | Oxalis villosa Bieb. | Oxalis corniculata | Oxalidaceae
|
| OXVIT | Oxalis violacea L. var. trichophora Fassett | Oxalis violacea | Oxalidaceae
|
| OXVI | Oxalis violacea L. | violet woodsorrel | Oxalidaceae
|
| OXWRP | Oxalis wrightii Gray var. pilosa (Nutt.) Wieg. | Oxalis albicans ssp. pilosa | Oxalidaceae
|
| OXWR | Oxalis wrightii Gray | Oxalis albicans ssp. albicans | Oxalidaceae
|
| OXALI | Oxalis L. | woodsorrel | Oxalidaceae
|
| OXLA4 | Oxandra lanceolata (Sw.) Baill. | blacklancewood | Annonaceae
|
| OXLA5 | Oxandra laurifolia (Sw.) A. Rich. | haya | Annonaceae
|
| OXAND | Oxandra A. Rich. | oxandra | Annonaceae
|
| OXAL4 | Oxybaphus albidus (Walt.) Sweet | Mirabilis albida | Nyctaginaceae
|
| OXAN | Oxybaphus angustifolius Sweet | Mirabilis linearis | Nyctaginaceae
|
| OXCA6 | Oxybaphus carletonii (Standl.) Weatherby | Mirabilis glabra | Nyctaginaceae
|
| OXCO5 | Oxybaphus coahuilensis (Standl.) Weatherby | Mirabilis albida | Nyctaginaceae
|
| OXCO10 | Oxybaphus coccineus Torr. | Mirabilis coccinea | Nyctaginaceae
|
| OXCO6 | Oxybaphus comatus (Small) Weatherby | Mirabilis comata | Nyctaginaceae
|
| OXCO7 | Oxybaphus corymbosus (Cav.) Standl. | Mirabilis glabrifolia | Nyctaginaceae
|
| OXDE5 | Oxybaphus decumbens (Nutt.) Sweet | Mirabilis linearis | Nyctaginaceae
|
| OXDI5 | Oxybaphus diffusus (Heller) W.C. Martin & C.R. Hutchins | Mirabilis linearis | Nyctaginaceae
|
| OXEX | Oxybaphus exaltatus (Standl.) Weatherby | Mirabilis glabra | Nyctaginaceae
|
| OXGA2 | Oxybaphus gausapoides Standl. | Mirabilis linearis | Nyctaginaceae
|
| OXGI | Oxybaphus giganteus (Standl.) Weatherby | Mirabilis gigantea | Nyctaginaceae
|
| OXGL7 | Oxybaphus glaber S. Wats. | Mirabilis glabra | Nyctaginaceae
|
| OXHI2 | Oxybaphus hirsutus (Pursh) Sweet | Mirabilis hirsuta | Nyctaginaceae
|
| OXLA10 | Oxybaphus laevis Benth. | Mirabilis californica var. californica | Nyctaginaceae
|
| OXLA7 | Oxybaphus lanceolatus (Rydb.) Standl. | Mirabilis linearis | Nyctaginaceae
|
| OXLID | Oxybaphus linearis (Pursh) B.L. Robins. var. decipiens (Standl.) Kearney & Peebles | Mirabilis decipiens | Nyctaginaceae
|
| OXLIS | Oxybaphus linearis (Pursh) B.L. Robins. var. subhispidus (Heimerl) Dayton | Mirabilis linearis | Nyctaginaceae
|
| OXLI | Oxybaphus linearis (Pursh) B.L. Robins. | Mirabilis linearis | Nyctaginaceae
|
| OXNY | Oxybaphus nyctagineus (Michx.) Sweet | Mirabilis nyctaginea | Nyctaginaceae
|
| OXPA6 | Oxybaphus pauciflorus Buckl. | Mirabilis albida | Nyctaginaceae
|
| OXPS | Oxybaphus pseudaggregatus (Heimerl) Standl. | Mirabilis albida | Nyctaginaceae
|
| OXPU5 | Oxybaphus pumilus (Standl.) Standl. | Mirabilis pumila | Nyctaginaceae
|
| OXRO | Oxybaphus rotatus (Standl.) Weatherby | Mirabilis albida | Nyctaginaceae
|
| OXRO2 | Oxybaphus rotundifolius (Greene) Standl. | Mirabilis rotundifolia | Nyctaginaceae
|
| OXCU2 | Oxycaryum cubense (Poepp. & Kunth) Lye | Cuban bulrush | Cyperaceae
|
| OXYCA | Oxycaryum Nees | bulrush | Cyperaceae
|
| OXER | Oxycoccus erythrocarpus (Michx.) Pers. | Vaccinium erythrocarpum | Ericaceae
|
| OXHA | Oxycoccus hagerupii A.& D. L�ve | Vaccinium oxycoccos | Ericaceae
|
| OXIN3 | Oxycoccus intermedius (Gray) Rydb. | Vaccinium oxycoccos | Ericaceae
|
| OXMA6 | Oxycoccus macrocarpus (Ait.) Pursh | Vaccinium macrocarpon | Ericaceae
|
| OXMI3 | Oxycoccus microcarpos Turcz. ex Rupr. | Vaccinium oxycoccos | Ericaceae
|
| OXOV | Oxycoccus ovalifolius (Michx.) Porsild | Vaccinium oxycoccos | Ericaceae
|
| OXOX2 | Oxycoccus oxycoccos (L.) Adolphi | Vaccinium oxycoccos | Ericaceae
|
| OXOX | Oxycoccus oxycoccos (L.) MacM. | Vaccinium oxycoccos | Ericaceae
|
| OXPAM | Oxycoccus palustris Pers. ssp. microphyllus (Lange) A.& D. L�ve | Vaccinium oxycoccos | Ericaceae
|
| OXPAI | Oxycoccus palustris Pers. var. intermedius (Gray) T.J. Howell | Vaccinium oxycoccos | Ericaceae
|
| OXPAO | Oxycoccus palustris Pers. var. ovalifolius (Michx.) Seymour | Vaccinium oxycoccos | Ericaceae
|
| OXPA4 | Oxycoccus palustris Pers. | Vaccinium oxycoccos | Ericaceae
|
| OXQUM | Oxycoccus quadripetalus Gilib. var. microphyllus (Lange) Porsild | Vaccinium oxycoccos | Ericaceae
|
| OXQU | Oxycoccus quadripetalus Gilib. | Vaccinium oxycoccos | Ericaceae
|
| OXAR | Oxydendrum arboreum (L.) DC. | sourwood | Ericaceae
|
| OXYDE | Oxydendrum DC. | swamp cranberry | Ericaceae
|
| OXGL4 | Oxygraphis glacialis (Fisch.) Bunge | Ranunculus kamchaticus | Ranunculaceae
|
| OXIN8 | Oxymitra incrassata (Brot.) Sergio & Sim-Sim | | Oxymitraceae
|
| OXYMI | Oxymitra Bisch. ex Lindb. | | Oxymitraceae
|
| OXCO4 | Oxypetalum cordifolium (Vent.) Schlechter | whiteheart | Asclepiadaceae
|
| OXYPE | Oxypetalum R. Br. | oxypetalum | Asclepiadaceae
|
| OXCA2 | Oxypolis canbyi (Coult. & Rose) Fern. | Canby's cowbane | Apiaceae
|
| OXFE | Oxypolis fendleri (Gray) Heller | Fendler's cowbane | Apiaceae
|
| OXFIG | Oxypolis filiformis (Walt.) Britt. ssp. greenmanii (Mathias & Constance) Judd | Oxypolis greenmanii | Apiaceae
|
| OXFIC | Oxypolis filiformis (Walt.) Britt. var. canbyi Coult. & Rose | Oxypolis canbyi | Apiaceae
|
| OXFI | Oxypolis filiformis (Walt.) Britt. | water cowbane | Apiaceae
|
| OXGR5 | Oxypolis greenmanii Mathias & Constance | giant cowbane | Apiaceae
|
| OXLO | Oxypolis longifolia (Pursh) Small | Oxypolis rigidior | Apiaceae
|
| OXOC | Oxypolis occidentalis Coult. & Rose | western cowbane | Apiaceae
|
| OXRIA | Oxypolis rigidior (L.) Raf. var. ambigua (Nutt.) B.L. Robins. | Oxypolis rigidior | Apiaceae
|
| OXRIL | Oxypolis rigidior (L.) Raf. var. longifolia (Pursh) Britt. | Oxypolis rigidior | Apiaceae
|
| OXRI | Oxypolis rigidior (L.) Raf. | stiff cowbane | Apiaceae
|
| OXTE | Oxypolis ternata (Nutt.) Heller | piedmont cowbane | Apiaceae
|
| OXTU | Oxypolis turgida Small | Oxypolis rigidior | Apiaceae
|
| OXYPO | Oxypolis Raf. | cowbane | Apiaceae
|
| OXCU | Oxypteryx curtissii (Gray) Small | Asclepias curtissii | Asclepiadaceae
|
| OXVO | Oxyrhynchus volubilis Brandeg. | twining bluehood | Fabaceae
|
| OXYRH | Oxyrhynchus Brandeg. | oxyrhynchus | Fabaceae
|