| Poaceae | |
Achnatherum acutum
| (Swallen) Valdés-Reyna & Barkworth | Contr. U.S. Natl. Herb. 48: 15 | 2003 |
| Poaceae | |
Achnatherum altum
| (Swallen) Hoge & Barkworth | Phytologia 74(1): 5 | 1993 |
| Poaceae | |
Achnatherum argenteum
| (Lam.) P. Beauv. | Ess. Agrostogr. 19, 146, 157 | 1812 |
| Poaceae | |
Achnatherum aridum
| (M.E. Jones) Barkworth | Phytologia 74(1): 6 | 1993 |
| Poaceae | |
Achnatherum arnowiae
| (S.L. Welsh & N.D. Atwood) Barkworth | Sida 22(1): 496 | 2006 |
| Poaceae | |
Achnatherum avenoides
| (Honda) Y.L. Chang | Clav. Pl. Chin. Bor.-Orient. 486 | 1959 |
| Poaceae | |
Achnatherum × bloomeri
| (Bol.) Barkworth | Phytologia 74(1): 14 | 1993 |
| Poaceae | |
Achnatherum botschantzevii
| Tzvelev | Novosti Sist. Vyssh. Rast. 11: 4 | 1974 |
| Poaceae | |
Achnatherum brachychaetum
| (Godr.) Barkworth | Phytologia 74(1): 6 | 1993 |
| Poaceae | |
Achnatherum bracteatum
| (Swallen) Valdés-Reyna & Barkworth | Contr. U.S. Natl. Herb. 48: 15 | 2003 |
| Poaceae | |
Achnatherum brandisii
| (Mez) Z.L. Wu | Acta Phytotax. Sin. 34: 154 | 1996 |
| Poaceae | |
Achnatherum breviaristatum
| Keng & P.C. Kuo | Fl. Tsinling. 1(1): 151, 442, pl. 119 | 1976 |
| Poaceae | |
Achnatherum bromoides
| (L.) P. Beauv. | Ess. Agrostogr. 20, [146], 147 | 1812 |
| Poaceae | |
Achnatherum calamagrostis
| (L.) P. Beauv. | Ess. Agrostogr. 20, 146, t. 6, f. 7 | 1812 |
| Poaceae | |
Achnatherum capense
| (L.) P. Beauv. | Ess. Agrostogr. 146, 167 | 1812 |
| Poaceae | ! |
Achnatherum caragana
| (Trin.) Nevski | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 4: 337–336 | 1937 |
| Poaceae | ** |
Achnatherum caragana
| (Trin.) Prokh. | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 21: 437 | 1961 |
| Poaceae | |
Achnatherum caudatum
| (Trin.) S.W.L. Jacobs & J. Everett | Telopea 6(4): 582 | 1996 |
| Poaceae | |
Achnatherum chinense
| (Hitchc.) Tzvelev | Rast. Tsentr. Azii 4: 40 | 1968 |
| Poaceae | ! |
Achnatherum chingii
| (Hitchc.) Keng | Fl. Tsinling. 1(1): 152 | 1976 |
| Poaceae | ** |
Achnatherum chingii
| (Hitchc.) Keng | Claves Gen. Sp. Gram. Prim. Sinic. 106, 213 | 1957 |
| Poaceae | |
Achnatherum clandestinum
| (Hack.) Barkworth | Phytologia 74(1): 6 | 1993 |
| Poaceae | |
Achnatherum confusum
| (Litv.) Tzvelev | | |
| Poaceae | |
Achnatherum conspicuum
| (G. Forst.) P. Beauv. | Ess. Agrostogr. 20, 146, 152 | 1812 |
| Poaceae | |
Achnatherum constrictum
| (Hitchc.) Valdés-Reyna & Barkworth | Contr. U.S. Natl. Herb. 48: 15 | 2003 |
| Poaceae | |
Achnatherum contractum
| (B.L. Johnson) Barkworth | Phytologia 74(1): 6 | 1993 |
| Poaceae | |
Achnatherum coreanum
| (Honda) Ohwi | J. Jap. Bot. 17: 404 | 1941 |
| Poaceae | ** |
Achnatherum coroi
| F. Rojas ex Renvoize | Gram. Bolivia 84 | 1998 |
| Poaceae | |
Achnatherum coronatum
| (Thurb.) Barkworth | Phytologia 74(1): 6 | 1993 |
| Poaceae | |
Achnatherum curvifolium
| (Swallen) Barkworth | Phytologia 74(1): 7 | 1993 |
| Poaceae | |
Achnatherum diegoense
| (Swallen) Barkworth | Phytologia 74(1): 7 | 1993 |
| Poaceae | ! |
Achnatherum duthiei
| (Hook. f.) P.C. Kuo & S.L. Lu | Fl. Reipubl. Popularis Sin. 9(3): 322, pl. 80, f. 9–14 | 1987 |
| Poaceae | ** |
Achnatherum duthiei
| (Hook. f.) P.C. Kuo & S.L. Lu ex J.L. Yang | Fl. Sichuanica 5(2): 190 | 1988 |
| Poaceae | |
Achnatherum editorum
| (E. Fourn.) Valdés-Reyna & Barkworth | Contr. U.S. Natl. Herb. 48: 16 | 2003 |
| Poaceae | |
Achnatherum effusum
| (Maxim.) Y.L. Chang | Clav. Pl. Chin. Bor.-Orient. 486 | 1959 |
| Poaceae | |
Achnatherum eminens
| (Cav.) Barkworth | Phytologia 74(1): 7 | 1993 |
| Poaceae | ** |
Achnatherum extremiorientale
| (H. Hara) H. Hara | Fl. Tsinlingensis. 1(1): 153 | 1976 |
| Poaceae | ! |
Achnatherum extremiorientale
| (H. Hara) Keng | Fl. Ill. Pl. Prim. Sin., Gram. 590, f. 524 | 1959 |
| Poaceae | ** |
Achnatherum extremiroientale
| (H. Hara) Keng ex P.C. Kuo | Fl. Tsinling. 1(1): 153 | 1976 |
| Poaceae | ** |
Achnatherum extremiroientale
| (H. Hara) Keng | Claves Gen. Sp. Gram. Prim. Sinic. 107, 212 | 1957 |
| Poaceae | |
Achnatherum fallacinum
| H. Scholz & Raus | Willdenowia 36(1): 374–377, f. 1B, t. 1 | 2006 |
| Poaceae | |
Achnatherum halleri
| (Willd.) P. Beauv. | Ess. Agrostogr. 146, 152 | 1812 |
| Poaceae | |
Achnatherum haussknechtii
| (Boiss.) M. Nobis | Ann. Missouri Bot. Gard. 105(1): 28 | 2020 |
| Poaceae | |
Achnatherum hendersonii
| (Vasey) Barkworth | Phytologia 74(1): 7 | 1993 |
| Poaceae | |
Achnatherum henryi
| (Rendle) S.M. Phillips & Z.L. Wu | Novon 15(3): 475 | 2005 |
| Poaceae | |
Achnatherum hirticulme
| (S.L. Hatch, Valdés-Reyna & Morden) Valdés-Reyna & Barkworth | Contr. U.S. Natl. Herb. 48: 16 | 2003 |
| Poaceae | ** |
Achnatherum hookeri
| (Stapf) Keng | Claves Gen. Sp. Gram. Prim. Sinic. 106, 213 | 1957 |
| Poaceae | |
Achnatherum hymenoides
| (Roem. & Schult.) Barkworth | Phytologia 74(1): 7–8 | 1993 |
| Poaceae | ** |
Achnatherum inaequiglume
| Keng | Claves Gen. Sp. Gram. Prim. Sinic. 106, 213 | 1957 |
| Poaceae | ! |
Achnatherum inaequiglume
| Keng | Fl. Tsinling. 1(1): 151, 443, pl. 120 | 1976 |
| Poaceae | ! |
Achnatherum inebrians
| (Hance) Keng | Claves Gen. Sp. Gram. Prim. Sinic. 107, 213 | 1957 |
| Poaceae | ** |
Achnatherum inebrians
| (Hance) Keng | Fl. Ill. Pl. Prim. Sin., Gram. 593, f. 539 | 1959 |
| Poaceae | ** |
Achnatherum inebrians
| (Hance) Keng ex Tzvelev | Rast. Tsentr. Azii 4: 40 | 1968 |
| Poaceae | |
Achnatherum jacquemontii
| (Jaub. & Spach) P.C. Kuo & S.L. Lu | Fl. Reipubl. Popularis Sin. 9(3): 323, pl. 80, f. 15–19 | 1987 |
| Poaceae | ! |
Achnatherum lanceolatum
| (Roth) P. Beauv. | Ess. Agrostogr. 20, 146, 157 | 1812 |
| Poaceae | ** |
Achnatherum lanceolatum
| (Roth) Gray | Nat. Arr. Brit. Pl. 2: 150 | 1821 |
| Poaceae | |
Achnatherum latiglume
| (Swallen) Barkworth | Phytologia 74(1): 8 | 1993 |
| Poaceae | |
Achnatherum lemmonii
| (Vasey) Barkworth | Phytologia 74(1): 8 | 1993 |
| Poaceae | |
Achnatherum lettermanii
| (Vasey) Barkworth | Phytologia 74(1): 9 | 1993 |
| Poaceae | |
Achnatherum lobatum
| (Swallen) Barkworth | Phytologia 74(1): 9 | 1993 |
| Poaceae | ! |
Achnatherum longiaristatum
| (Boiss. & Hausskn.) Nevski | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 4: 338 | 1937 |
| Poaceae | ** |
Achnatherum longiaristatum
| (Boiss. & Hausskn.) Keng & P.C. Kuo | Fl. Tsinling. 1(1): 151 | 1976 |
| Poaceae | |
Achnatherum mandavillei
| (Freitag) M. Nobis | Ann. Missouri Bot. Gard. 105(1): 28 | 2020 |
| Poaceae | ** |
Achnatherum mattheii
| F. Rojas ex Renvoize | Gram. Bolivia 85 | 1998 |
| Poaceae | |
Achnatherum miliaceum
| (L.) P. Beauv. | Ess. Agrostogr. 20, 146, 148 | 1812 |
| Poaceae | |
Achnatherum mongholicum
| (Turcz. ex Trin.) Ohwi | J. Jap. Bot. 17(7): 403 | 1941 |
| Poaceae | |
Achnatherum multinode
| (Scribn. ex Beal) Valdés-Reyna & Barkworth | Contr. U.S. Natl. Herb. 48: 17 | 2003 |
| Poaceae | ! |
Achnatherum nakaii
| (Honda) Tateoka ex Imzab | Fl. Intramongol. 7: 196 | 1983 |
| Poaceae | ** |
Achnatherum nakaii
| Tateoka | J. Jap. Bot. 30(7): 208 | 1955 |
| Poaceae | |
Achnatherum nelsonii
| (Scribn.) Barkworth | Phytologia 74(1): 9 | 1993 |
| Poaceae | |
Achnatherum nevadense
| (B.L. Johnson) Barkworth | Phytologia 74(1): 9 | 1993 |
| Poaceae | |
Achnatherum occidentale
| (Thurb. ex S. Watson) Barkworth | Phytologia 74(1): 10 | 1993 |
| Poaceae | |
Achnatherum ordubadense
| Tzvelev | Bot. Zhurn. (Moscow & Leningrad) 78(10): 93 | 1993 |
| Poaceae | ** |
Achnatherum orurense
| F. Rojas ex Renvoize | Gram. Bolivia 81 | 1998 |
| Poaceae | ** |
Achnatherum pappiforme
| (Keng) Keng | Claves Gen. Sp. Gram. Prim. Sinic. 106, 213 | 1957 |
| Poaceae | * |
Achnatherum papposum
| (Nees) Barkworth | Phytologia 74(1): 11 | 1993 |
| Poaceae | |
Achnatherum paraxoxum
| (L.) Banfi, Galasso & Bartolucci | Nat. Hist. Sci. Milano 5(1): 54 | 2018 [2017] |
| Poaceae | |
Achnatherum parishii
| (Vasey) Barkworth | Phytologia 74(1): 11 | 1993 |
| Poaceae | |
Achnatherum parviflorum
| (Desf.) M. Nobis | Ann. Missouri Bot. Gard. 105(1): 39 | 2020 |
| Poaceae | |
Achnatherum pekinense
| (Hance) Ohwi | Bull. Natl. Sci. Mus. Tokyo 33: 66 | 1953 |
| Poaceae | |
Achnatherum pelliotii
| (Danguy) Röser & H.R. Hamasha | Pl. Syst. Evol. 298: 365 | 2012 |
| Poaceae | |
Achnatherum perplexum
| Hoge & Barkworth | Phytologia 74(1): 11 | 1993 |
| Poaceae | |
Achnatherum petriei
| (Buchanan) S.W.L. Jacobs & J. Everett | Telopea 6(4): 582 | 1996 |
| Poaceae | |
Achnatherum pilosum
| Z.S. Zhang & W.L. Chen | Phytotaxa 350(1): 87–91, f. 1, 2A–D, I, N, S, T, 3 | 2018 |
| Poaceae | |
Achnatherum pinetorum
| (M.E. Jones) Barkworth | Phytologia 74(1): 12 | 1993 |
| Poaceae | * |
Achnatherum psilantherum
| Keng ex Keng f. | Bull. Bot. Res., Harbin 4(3): 198 | 1984 |
| Poaceae | ** |
Achnatherum psilantherum
| Keng | Claves Gen. Sp. Gram. Prim. Sinic. 106, 213 | 1957 |
| Poaceae | ** |
Achnatherum psilantherum
| Keng | Fl. Ill. Pl. Prim. Sin., Gram. 595, t. 532 | 1959 |
| Poaceae | ! |
Achnatherum psilantherum
| Keng ex Tzvelev | Rast. Tsentr. Azii 4: 41 | 1968 |
| Poaceae | ! |
Achnatherum pubicalyx
| (Ohwi) Keng | Fl. Tsinling. 1(1): 153 | 1976 |
| Poaceae | ** |
Achnatherum pubicalyx
| (Ohwi) Keng | Claves Gen. Sp. Gram. Prim. Sinic. 107, 212 | 1957 |
| Poaceae | ** |
Achnatherum purpurascens
| (Hitchc.) Keng | Claves Gen. Sp. Gram. Prim. Sinic. 105, 213 | 1957 |
| Poaceae | |
Achnatherum regelianum
| (Hack.) Tzvelev | Novosti Sist. Vyssh. Rast. 43: 22 | 2011 [2012] |
| Poaceae | |
Achnatherum richardsonii
| (Link) Barkworth | Phytologia 74(1): 12 | 1993 |
| Poaceae | |
Achnatherum robustum
| (Vasey) Barkworth | Phytologia 74(1): 12 | 1993 |
| Poaceae | |
Achnatherum roshevitzii
| Mussajev | Dokl. Akad. Nauk Azerbaidzhansk. S.S.R. 32(2): 54 | 1976 |
| Poaceae | |
Achnatherum saposhnikovii
| (Roshev.) Nevski | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 4: 224 | 1937 |
| Poaceae | |
Achnatherum scribneri
| (Vasey) Barkworth | Phytologia 74(1): 13 | 1993 |
| Poaceae | ** |
Achnatherum sibiricum
| (L.) Keng | Claves Gen. Sp. Gram. Prim. Sinic. 107, 212 | 1957 |
| Poaceae | * |
Achnatherum sibiricum
| (L.) Keng ex Tzvelev | Fl. Ill. Pl. Prim. Sin., Gram. 9(3): 590, f. 525 | 1959 |