| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| AGSMP | Agropyron smithii Rydb. var. palmeri (Scribn. & J.G. Sm.) Heller | Pascopyrum smithii | Poaceae
|
| AGSM | Agropyron smithii Rydb. | Pascopyrum smithii | Poaceae
|
| AGSPA | Agropyron spicatum (Pursh) Scribn. & J.G. Sm. var. arizonicum (Scribn. & J.G. Sm.) M.E. Jones | Elymus arizonicus | Poaceae
|
| AGSPI | Agropyron spicatum (Pursh) Scribn. & J.G. Sm. var. inerme (Scribn. & J.G. Sm.) Heller | Pseudoroegneria spicata ssp. inermis | Poaceae
|
| AGSPP | Agropyron spicatum (Pursh) Scribn. & J.G. Sm. var. pubescens Elmer | Pseudoroegneria spicata ssp. spicata | Poaceae
|
| AGSP | Agropyron spicatum (Pursh) Scribn. & J.G. Sm. | Pseudoroegneria spicata ssp. spicata | Poaceae
|
| AGSQ | Agropyron squarrosum (Link) Roth | Eremopyrum bonaepartis | Poaceae
|
| AGSUA | Agropyron subsecundum (Link) A.S. Hitchc. var. andinum (Scribn. & J.G. Sm.) A.S. Hitchc. | Elymus trachycaulus ssp. trachycaulus | Poaceae
|
| AGSU | Agropyron subsecundum (Link) A.S. Hitchc. | Elymus trachycaulus ssp. subsecundus | Poaceae
|
| AGTE4 | Agropyron tenerum Vasey | Elymus trachycaulus ssp. trachycaulus | Poaceae
|
| AGTE6 | Agropyron teslinense Porsild & Senn | Elymus trachycaulus ssp. trachycaulus | Poaceae
|
| AGTRB | Agropyron trachycaulum (Link) Malte ex H.F. Lewis var. bakeri (E. Nels.) Boivin | Elymus bakeri | Poaceae
|
| AGTRC | Agropyron trachycaulum (Link) Malte ex H.F. Lewis var. ciliatum (Scribn. & J.G. Sm.) Gleason | Elymus trachycaulus ssp. subsecundus | Poaceae
|
| AGTRG | Agropyron trachycaulum (Link) Malte ex H.F. Lewis var. glaucum (Pease & Moore) Malte | Elymus trachycaulus ssp. subsecundus | Poaceae
|
| AGTRL | Agropyron trachycaulum (Link) Malte ex H.F. Lewis var. latiglume (Scribn. & J.G. Sm.) Beetle | Elymus alaskanus ssp. latiglumis | Poaceae
|
| AGTRM | Agropyron trachycaulum (Link) Malte ex H.F. Lewis var. majus (Vasey) Fern. | Elymus trachycaulus ssp. trachycaulus | Poaceae
|
| AGTRN | Agropyron trachycaulum (Link) Malte ex H.F. Lewis var. novae-angliae (Scribn.) Fern. | Elymus trachycaulus ssp. trachycaulus | Poaceae
|
| AGTRU | Agropyron trachycaulum (Link) Malte ex H.F. Lewis var. unilaterale (Cassidy) Malte | Elymus trachycaulus ssp. subsecundus | Poaceae
|
| AGTR | Agropyron trachycaulum (Link) Malte ex H.F. Lewis | Elymus trachycaulus ssp. trachycaulus | Poaceae
|
| AGTR6 | Agropyron trichophorum (Link) Richter | Thinopyrum intermedium | Poaceae
|
| AGTR5 | Agropyron triticeum Gaertn. | Eremopyrum triticeum | Poaceae
|
| AGVA5 | Agropyron vaillantianum (Wulfen & Schreb.) Trautv. ex Bess. | Elymus pseudorepens | Poaceae
|
| AGVA80 | Agropyron varnense (Velen.) Hayek | Thinopyrum ponticum | Poaceae
|
| AGVA2 | Agropyron vaseyi Scribn. & J.G. Sm. | Pseudoroegneria spicata ssp. spicata | Poaceae
|
| AGVIA3 | Agropyron violaceum (Hornem.) Lange ssp. andinum (Scribn. & J.G. Sm.) Melderis | Elymus trachycaulus ssp. trachycaulus | Poaceae
|
| AGVIA | Agropyron violaceum (Hornem.) Lange var. alboviride (Hult�n) Melderis | Elymus alaskanus ssp. latiglumis | Poaceae
|
| AGVIA2 | Agropyron violaceum (Hornem.) Lange var. andinum Scribn. & J.G. Sm. | Elymus trachycaulus ssp. trachycaulus | Poaceae
|
| AGVIH | Agropyron violaceum (Hornem.) Lange var. hyperarcticum Polunin | Elymus hyperarcticus | Poaceae
|
| AGVI3 | Agropyron violaceum (Hornem.) Lange | Elymus alaskanus ssp. latiglumis | Poaceae
|
| AGVU | Agropyron vulpinum (Rydb.) A.S. Hitchc. | Elymus vulpinus | Poaceae
|
| AGYU | Agropyron yukonense auct. non Scribn. & Merr. | Elymus calderi | Poaceae
|
| AGROP2 | Agropyron Gaertn. | wheatgrass | Poaceae
|
| AGPI4 | �Agrositanion pinaloense Pyrah | Elymus pinaloensis | Poaceae
|
| AGSA4 | �Agrositanion saundersii (Vasey) Bowden | Elymus saundersii | Poaceae
|
| AGSA5 | �Agrositanion saxicola (Scribn. & J.G. Sm.) Bowden | � Pseudelymus saxicola | Poaceae
|
| AGBR4 | Agrostemma brachyloba (Fenzl) Hammer | narrow corncockle | Caryophyllaceae
|
| AGCO6 | Agrostemma coronaria L. | Lychnis coronaria | Caryophyllaceae
|
| AGGI | Agrostemma githago L. | common corncockle | Caryophyllaceae
|
| AGGR5 | Agrostemma gracilis Boiss. | Agrostemma brachyloba | Caryophyllaceae
|
| AGROS | Agrostemma L. | corncockle | Caryophyllaceae
|
| AGAE2 | Agrostis aenea Trin. | Agrostis exarata | Poaceae
|
| AGAE | Agrostis aequivalvis (Trin.) Trin. | arctic bentgrass | Poaceae
|
| AGAI | Agrostis airoides Torr. | Sporobolus airoides | Poaceae
|
| AGAL2 | Agrostis alaskana Hult�n | Agrostis exarata | Poaceae
|
| AGALP | Agrostis alba L. var. palustris (Huds.) Pers. | Agrostis stolonifera | Poaceae
|
| AGALS | Agrostis alba L. var. stolonifera (L.) Sm. | Agrostis stolonifera | Poaceae
|
| AGAL3 | Agrostis alba auct. non L. | Agrostis gigantea | Poaceae
|
| AGAL7 | Agrostis algida C.J. Phipps | Phippsia algida | Poaceae
|
| AGAL8 | Agrostis altissima (Walt.) Tuckerman | Agrostis perennans | Poaceae
|
| AGAM2 | Agrostis ampla A.S. Hitchc. | Agrostis exarata | Poaceae
|
| AGAN2 | Agrostis antecedens Bickn. | Agrostis hyemalis | Poaceae
|
| AGAR2 | Agrostis aristiglumis Swallen | Agrostis hendersonii | Poaceae
|
| AGAS4 | Agrostis asperifolia Trin. | Agrostis exarata | Poaceae
|
| AGAV | Agrostis avenacea J.F. Gmel. | Pacific bentgrass | Poaceae
|
| AGBA5 | Agrostis bakeri Rydb. | Agrostis mertensii | Poaceae
|
| AGBLM | Agrostis blasdalei A.S. Hitchc. var. marinensis Crampton | Agrostis blasdalei | Poaceae
|
| AGBL | Agrostis blasdalei A.S. Hitchc. | Blasdale bentgrass | Poaceae
|
| AGBOA3 | Agrostis borealis Hartman var. americana (Scribn.) Fern. | Agrostis mertensii | Poaceae
|
| AGBOP | Agrostis borealis Hartman var. paludosa (Scribn.) Fern. | Agrostis mertensii | Poaceae
|
| AGBOR | Agrostis borealis Hartman var. recta (Hartman) Boivin | Agrostis idahoensis | Poaceae
|
| AGBO2 | Agrostis borealis Hartman | Agrostis mertensii | Poaceae
|
| AGBR3 | Agrostis breviculmis auct. non A.S. Hitchc. | Agrostis blasdalei | Poaceae
|
| AGCA3 | Agrostis californica Trin. | Agrostis densiflora | Poaceae
|
| AGCAM3 | Agrostis canina L. ssp. montana (Hartman) Hartman | Agrostis vinealis | Poaceae
|
| AGCAM4 | Agrostis canina L. var. montana Hartman | Agrostis vinealis | Poaceae
|
| AGCAV | Agrostis canina L. var. varians (Thuill.) Ducomm. | Agrostis canina | Poaceae
|
| AGCA4 | Agrostis canina L. | velvet bentgrass | Poaceae
|
| AGCA5 | Agrostis capillaris L. | colonial bentgrass | Poaceae
|
| AGCA11 | Agrostis castellana Boiss. & Reuter | bentgrass | Poaceae
|
| AGCL | Agrostis clavata Trin. | clavate bentgrass | Poaceae
|
| AGCL4 | Agrostis clavata auct. non Trin. | Agrostis idahoensis | Poaceae
|
| AGCLC | Agrostis clivicola Crampton var. clivicola | coastalbluff bentgrass | Poaceae
|
| AGCLP | Agrostis clivicola Crampton var. punta-reyesensis Crampton | Point Reyes bentgrass | Poaceae
|
| AGCL2 | Agrostis clivicola Crampton | coastalbluff bentgrass | Poaceae
|
| AGCR2 | Agrostis cryptandra Torr. | Sporobolus cryptandrus | Poaceae
|
| AGDE7 | Agrostis densiflora Vasey | California bentgrass | Poaceae
|
| AGDI | Agrostis diegoensis Vasey | Agrostis pallens | Poaceae
|
| AGEL5 | Agrostis elata (Pursh) Trin. | Agrostis perennans | Poaceae
|
| AGEL4 | Agrostis elliottiana J.A. Schultes | Elliott's bentgrass | Poaceae
|
| AGEXM3 | Agrostis exarata Trin. ssp. minor (Hook.) C.L. Hitchc. | Agrostis exarata | Poaceae
|
| AGEXM | Agrostis exarata Trin. var. minor Hook. | Agrostis exarata | Poaceae
|
| AGEXM2 | Agrostis exarata Trin. var. monolepis (Torr.) A.S. Hitchc. | Agrostis exarata | Poaceae
|
| AGEXP2 | Agrostis exarata Trin. var. pacifica Vasey | Agrostis exarata | Poaceae
|
| AGEXP | Agrostis exarata Trin. var. purpurascens Hult�n | Agrostis exarata | Poaceae
|
| AGEX | Agrostis exarata Trin. | spike bentgrass | Poaceae
|
| AGEX2 | Agrostis exigua Thurb. | Agrostis elliottiana | Poaceae
|
| AGFA | Agrostis fallax Hbd. | Agrostis sandwicensis | Poaceae
|
| AGFI3 | Agrostis filicumis M.E. Jones | Agrostis idahoensis | Poaceae
|
| AGFR2 | Agrostis frondosa Poir. | Muhlenbergia frondosa | Poaceae
|
| AGGE2 | Agrostis geminata Trin. | Agrostis scabra | Poaceae
|
| AGGID | Agrostis gigantea Roth var. dispar (Michx.) Philipson | Agrostis gigantea | Poaceae
|
| AGGI2 | Agrostis gigantea Roth | redtop | Poaceae
|
| AGGL3 | Agrostis glomerata auct. non (J. Presl) Kunth | Agrostis densiflora | Poaceae
|
| AGHAP | Agrostis hallii Vasey var. pringlei (Scribn.) A.S. Hitchc. | Agrostis hallii | Poaceae
|
| AGHA2 | Agrostis hallii Vasey | Hall's bentgrass | Poaceae
|
| AGHE3 | Agrostis hendersonii A.S. Hitchc. | Henderson's bentgrass | Poaceae
|
| AGHO | Agrostis hooveri Swallen | Hoover's bentgrass | Poaceae
|
| AGHO2 | Agrostis howellii Scribn. | Howell's bentgrass | Poaceae
|
| AGHU | Agrostis humilis Vasey | alpine bentgrass | Poaceae
|
| AGHYG | Agrostis hyemalis (Walt.) B.S.P. var. geminata (Trin.) A.S. Hitchc. | Agrostis scabra | Poaceae
|
| AGHYT | Agrostis hyemalis (Walt.) B.S.P. var. tenuis (Tuckerman) Gleason | Agrostis scabra | Poaceae
|