| Poaceae | |
Piptatherum acuminatum
| J. Presl | Reliq. Haenk. 1(4–5): 221 | 1830 |
| Poaceae | * |
Piptatherum aequiglume
| Roshev. | | |
| Poaceae | ! |
Piptatherum aequiglume
| (Duthie ex Hook. f.) Roshev. | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 14: 113 | 1951 |
| Poaceae | * |
Piptatherum aequiglume
| Munro ex Duthie | Himalayan Districts N.W. Prov. India 626 | |
| Poaceae | |
Piptatherum alpestre
| (Grig.) Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 120 | 1951 |
| Poaceae | |
Piptatherum angustifolium
| Munro ex Boiss. | Fl. Orient. [Boiss.] 5: 508 | 1884 |
| Poaceae | ** |
Piptatherum angustifolium
| Munro | J. Linn. Soc., Bot. 18: 106 | 1880 |
| Poaceae | |
Piptatherum annulatum
| (Flüggé) J. Presl | Reliq. Haenk. 1(4–5): 221 | 1830 |
| Poaceae | ! |
Piptatherum annulatum
| Raddi | Agrostogr. Bras. 30–31 | 1823 |
| Poaceae | |
Piptatherum arisitense
| Coste | Bull. Soc. Bot. France 43: 511 | 1897 |
| Poaceae | |
Piptatherum badachschanicum
| (Tzvelev) Ikonn. | Opred. Vyssh. Rast. Badakhshana 86 | 1979 |
| Poaceae | |
Piptatherum baluchistanicum
| Freitag | Notes Roy. Bot. Gard. Edinburgh 33(3): 389 | 1975 |
| Poaceae | |
Piptatherum barbellatum
| Mez | Repert. Spec. Nov. Regni Veg. 17(13–18): 211 | 1921 |
| Poaceae | |
Piptatherum binabium
| Pazij | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 11: 32 | 1949 |
| Poaceae | |
Piptatherum blancheanum
| E. Desv. ex Boiss. | Diagn. Pl. Orient., ser. 2, 4: 127 | 1859 |
| Poaceae | |
Piptatherum brachycladum
| (Pilg.) Romasch. | Taxon 60(6): 1712 | 2011 |
| Poaceae | ** |
Piptatherum caerulescens
| auct. | | |
| Poaceae | |
Piptatherum canadense
| (Poir.) Dorn | Vasc. Pl. Wyoming (ed. 3) 377 | 2001 |
| Poaceae | |
Piptatherum coerulescens
| (Desf.) P. Beauv. | Ess. Agrostogr. 18 | 1812 |
| Poaceae | |
Piptatherum comosum
| (Poir.) Roem. & Schult. | Syst. Veg. (ed. 15 bis) 2: 330 | 1817 |
| Poaceae | |
Piptatherum confine
| Schult. | Mant. 2: 184 | 1824 |
| Poaceae | |
Piptatherum denaense
| Hamzehee & Assadi | Iranian J. Bot. 21(1): 2 | 2015 |
| Poaceae | ** |
Piptatherum elegans
| P. Beauv. | Ess. Agrostogr. 173 | 1812 |
| Poaceae | |
Piptatherum exiguum
| (Thurb.) Dorn | Vasc. Pl. Wyoming 377 | 2001 |
| Poaceae | |
Piptatherum fasciculatum
| (Hack.) Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 114 | 1951 |
| Poaceae | |
Piptatherum fedtschenkoi
| Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 11: 25 | 1949 |
| Poaceae | |
Piptatherum ferganense
| (Litv.) Roshev. ex Nikitina | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 115 | 1951 |
| Poaceae | |
Piptatherum flaccidum
| Freitag | Notes Roy. Bot. Gard. Edinburgh 33(3): 387 | 1975 |
| Poaceae | ** |
Piptatherum frutescens
| Heynh. | Nomencl. Bot. Hort. 524, 629 | 1841 |
| Poaceae | |
Piptatherum gracile
| Mez | Repert. Spec. Nov. Regni Veg. 17(486–491): 211 | 1921 |
| Poaceae | |
Piptatherum grandispiculum
| (P.C. Kuo & Z.L. Wu) S.M. Phillips & Z.L. Wu | Novon 15(3): 475 | 2005 |
| Poaceae | |
Piptatherum grigorjevii
| Tzvelev | Novosti Sist. Vyssh. Rast. 11: 10 | 1974 |
| Poaceae | |
Piptatherum hilariae
| Pazij | Notul. Syst. Herb. Inst. Bot. Acad. Sci. Uzbeckistanicae 10: 20 | 1948 |
| Poaceae | |
Piptatherum hissaricum
| (Tzvelev) Czerep. | Sosud. Rast. SSSR 272 | 1981 |
| Poaceae | |
Piptatherum holciforme
| (M. Bieb.) Roem. & Schult. | Syst. Veg. (ed. 15 bis) 2: 328 | 1817 |
| Poaceae | ! |
Piptatherum humile
| (Bor) S.Kumar & Raizada | Indian J. Forest. 9(2): 177 | 1986 |
| Poaceae | * |
Piptatherum humile
| (Bor) R. K. Gupta | Living Himalayas 2: 486 | 1989 |
| Poaceae | |
Piptatherum karataviense
| Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 11: 22 | 1949 |
| Poaceae | |
Piptatherum keniense
| (Pilg.) Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 112 | 1951 |
| Poaceae | |
Piptatherum kokanicum
| (Regel) Nevski | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 4: 217 | 1937 |
| Poaceae | |
Piptatherum kopetdagense
| (Roshev.) Romasch. | Taxon 60(6): 1712 | 2011 |
| Poaceae | |
Piptatherum kuoi
| S.M. Phillips & Z.L. Wu | Novon 15(3): 474–475 | 2005 |
| Poaceae | ** |
Piptatherum laeve
| Meyen | Reise 1: 466, 484 | 1834 |
| Poaceae | ** |
Piptatherum laterale
| Munro ex Aitch. | J. Linn. Soc., Bot. 18: 106 | 1880 |
| Poaceae | ! |
Piptatherum laterale
| (Munro ex Regel) Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 117 | 1951 |
| Poaceae | |
Piptatherum laterale
| (Munro ex Regel) Munro ex Nevski | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 4: 217 | 1937 |
| Poaceae | ** |
Piptatherum laterale
| Munro ex Regel | Trudy Imp. S.-Peterburgsk. Bot. Sada 7: 645 | 1881 |
| Poaceae | |
Piptatherum latifolium
| (Roshev.) Nevski | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 4: 336 | 1937 |
| Poaceae | |
Piptatherum lindleyanum
| Nees | Gramineae 17–18 | 1841 |
| Poaceae | |
Piptatherum longearistatum
| Boiss. & Hausskn. | Fl. Orient. [Boiss.] 5: 509 | 1884 |
| Poaceae | |
Piptatherum longiaristatum
| Boiss. & Hausskn. | Fl. Orient. [Boiss.] 5: 509 | 1884 |
| Poaceae | |
Piptatherum longiglume
| (Hausskn.) Holub | Folia Geobot. Phytotax. 12(4): 429 | 1977 |
| Poaceae | ** |
Piptatherum macrantherum
| Nees ex Steud. | Index Kew. 2(3): 543 | 1894 |
| Poaceae | |
Piptatherum mexicanum
| (Spreng.) Schult. | Mant. 3(Add. 1): 564 | 1827 |
| Poaceae | |
Piptatherum micranthum
| (Trin. & Rupr.) Barkworth | Phytologia 74(1): 19 | 1993 |
| Poaceae | |
Piptatherum microcarpum
| (Pilg.) Tzvelev | Novosti Sist. Vyssh. Rast. 11: 12 | 1974 |
| Poaceae | |
Piptatherum miliaceum
| (L.) Coss. | Notes Pl. Crit. 129 | 1851 |
| Poaceae | |
Piptatherum molinioides
| Boiss. | Diagn. Pl. Orient., ser. 1, 7: 121 | 1846 |
| Poaceae | |
Piptatherum multiflorum
| (Cav.) P. Beauv. | Ess. Agrostogr. 18, 168, 173 | 1812 |
| Poaceae | |
Piptatherum munroi
| (Stapf) Mez | Repert. Spec. Nov. Regni Veg. 17(486–491): 212 | 1921 |
| Poaceae | |
Piptatherum nigrum
| Torr. | Fl. N. Middle United States 1: 79 | 1823 |
| Poaceae | ! |
Piptatherum obtusum
| Nees & Meyen | Gramineae 18–19 | 1841 |
| Poaceae | ** |
Piptatherum obtusum
| Meyen | Reise 2: 32 | 1835 |
| Poaceae | * |
Piptatherum obtusum
| (Stapf) Roshev. | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 14: 102 | 1951 |
| Poaceae | |
Piptatherum pamiroalaicum
| (Grig.) Roshev. ex Nikitina | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 123 | 1951 |
| Poaceae | ** |
Piptatherum panicoides
| Gibert | Enum. Pl. Montevideo 117 | 1873 |
| Poaceae | |
Piptatherum paradoxum
| (L.) P. Beauv. | | |
| Poaceae | |
Piptatherum parviflorum
| Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 126 | 1951 |
| Poaceae | |
Piptatherum platyanthum
| Nevski | Trudy Bot. Inst. Akad. Nauk S.S.S.R., Ser. 1, Fl. Sist. Vyssh. Rast. 4: 336–337, f. 15 | 1937 |
| Poaceae | |
Piptatherum pubiflorum
| (Hack.) Roshev. | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 14: 111 | 1951 |
| Poaceae | |
Piptatherum punctatum
| (L.) P. Beauv. | Ess. Agrostogr. 18: 168, 173, t. 5, f. 11 | 1812 |
| Poaceae | |
Piptatherum pungens
| (Torr. ex Spreng.) Dorn | Vasc. Pl. Wyoming 377 | 2001 |
| Poaceae | |
Piptatherum purpurascens
| (Hack. ex Paulsen) Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 122 | 1951 |
| Poaceae | ! |
Piptatherum racemosum
| (Sm.) Eaton | Man. Bot. (ed. 5) 331 | 1829 |
| Poaceae | ** |
Piptatherum racemosum
| (Sm.) Barkworth | Phytologia 74(1): 19 | 1993 |
| Poaceae | |
Piptatherum ramosum
| Nees | Gramineae 16–17 | 1841 |
| Poaceae | |
Piptatherum rechingeri
| (Bor) Freitag | Notes Roy. Bot. Gard. Edinburgh 33(3): 397 | 1975 |
| Poaceae | |
Piptatherum roshevitsianum
| Tzvelev | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 20: 414 | 1960 |
| Poaceae | ** |
Piptatherum schugnanicum
| Roshev. | | |
| Poaceae | ! |
Piptatherum schugnanicum
| Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 11: 24 | 1949 |
| Poaceae | |
Piptatherum setosum
| A. Rich. | Hist. Fís. Cuba, Bot. 11: 311 | 1850 |
| Poaceae | |
Piptatherum shoshoneanum
| (Curto & Douglass M. Hend.) P.M. Peterson & Soreng | Contr. U.S. Natl. Herb. 48: 495 | 2003 |
| Poaceae | ** |
Piptatherum sinaicum
| Boiss. ex Steud. | Syn. Pl. Glumac. 1: 122 | 1855 [1854] |
| Poaceae | |
Piptatherum sinense
| Mez | Repert. Spec. Nov. Regni Veg. 17(486–491): 211 | 1921 |
| Poaceae | |
Piptatherum sogdianum
| (Grig.) Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 116 | 1951 |
| Poaceae | ! |
Piptatherum songaricum
| (Trin. & Rupr.) Roshev. ex Nikitina | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 13: 65 | 1950 |
| Poaceae | ** |
Piptatherum songaricum
| (Trin. & Rupr.) Roshev. | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 14: 106 | 1951 |
| Poaceae | ** |
Piptatherum soongaricum
| Duthie | Himalayan Districts N.W. Prov. India 10: 625 | 1882 |
| Poaceae | |
Piptatherum sphacelatum
| Boiss. & Buhse | | |
| Poaceae | ** |
Piptatherum stipoides
| Gibert | Enum. Pl. Montevideo 117 | 1873 |
| Poaceae | |
Piptatherum thomasii
| (Duby) Kunth | Enum. Pl. 1: 177 | 1833 |
| Poaceae | |
Piptatherum tianschanicum
| Roshev. ex Nikitina | | |
| Poaceae | |
Piptatherum tibeticum
| Roshev. | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 11: 23 | 1949 |
| Poaceae | |
Piptatherum tremuloides
| Ovcz. & Czukav. | | |
| Poaceae | ** |
Piptatherum turcomanicum
| Litv. ex Roshev. | Fl. Aziat. Ross. 12: 184 | 1916 |
| Poaceae | |
Piptatherum vavilovii
| (Roshev.) Roshev. | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 118 | 1951 |
| Poaceae | |
Piptatherum verticillatum
| Vayr. | Cavanillesia 4: 61 | 1931 |
| Poaceae | |
Piptatherum vicarium
| (Grig.) Roshev. ex Nikitina | Bot. Mater. Gerb. Inst. Bot. Akad. Nauk Kazahsk. SSR 14: 105 | 1951 |
| Poaceae | |
Piptatherum virescens
| (Trin.) Boiss. | Fl. Orient. [Boiss.] 5: 507 | 1884 |