| Poaceae | !! |
Agrostis | L. | Sp. Pl. 1: 61 | 1753 |
| Poaceae | |
Agrostis avenacea | J.F. Gmel. | Syst. Nat. 2(1): 171 | 1791 |
| Poaceae | |
Agrostis bacillata | Hack. | Oesterr. Bot. Z. 52(2): 59 | 1902 |
| Poaceae | ! |
Agrostis capillaris | L. | Sp. Pl. 1: 62 | 1753 |
| Poaceae | |
Agrostis exserta | Swallen | Contr. U.S. Natl. Herb. 29(9): 404 | 1950 |
| Poaceae | ! |
Agrostis ghiesbreghtii | E. Fourn. | Mexic. Pl. 2: 97 | 1886 |
| Poaceae | |
Agrostis gigantea | Roth | Tent. Fl. Germ. 1: 31 | 1788 |
| Poaceae | |
Agrostis laxissima | Swallen | Contr. U.S. Natl. Herb. 29(9): 402 | 1950 |
| Poaceae | ! |
Agrostis perennans | (Walter) Tuck. | Amer. J. Sci. Arts 45: 44 | 1843 |
| Poaceae | |
Agrostis pittieri | Hack. | Oesterr. Bot. Z. 52(2): 60 | 1902 |
| Poaceae | ! |
Agrostis scabra | Willd. | Sp. Pl. 1(1): 370 | 1797 |
| Poaceae | ! |
Agrostis stolonifera | L. | Sp. Pl. 1: 62 | 1753 |
| Poaceae | |
Agrostis stolonifera var. palustris | (Huds.) Farw. | Rep. (Annual) Michigan Acad. Sci. 21: 351 | 1919 [1920] |
| Poaceae | |
Agrostis subpatens | Hitchc. | N. Amer. Fl. 17(7): 527 | 1937 |
| Poaceae | |
Agrostis tenerrima | Trin. | Gram. Unifl. Sesquifl. 205 | 1824 |
| Poaceae | ! |
Agrostis tolucensis | Kunth | Nov. Gen. Sp. (quarto ed.) 1: 135 | 1815 [1816] |
| Poaceae | |
Agrostis turrialbae | Mez | Repert. Spec. Nov. Regni Veg. 18(1–3): 4 | 1922 |
| Poaceae | |
Agrostis virescens | Kunth | Nov. Gen. Sp. (quarto ed.) 1: 135–136 | 1815 [1816] |
| Poaceae | |
Alopecurinae | Dumort. | Anal. Fam. Pl. 64 | 1829 |
| Poaceae | !! |
Andropogon | L. | Sp. Pl. 2: 1045 | 1753 |
| Poaceae | |
Andropogon angustatus | (J. Presl) Steud. | Syn. Pl. Glumac. 1: 370 | 1854 |
| Poaceae | !! |
Andropogon bicornis | L. | Sp. Pl. 2: 1046 | 1753 |
| Poaceae | |
Andropogon bourgaei | Hack. | Flora 68(8): 134 | 1885 |
| Poaceae | |
Andropogon carinatus | Nees | Fl. Bras. Enum. Pl. 2(1): 330–331 | 1829 |
| Poaceae | |
Andropogon fastigiatus | Sw. | Prodr. 26 | 1788 |
| Poaceae | ! |
Andropogon gayanus | Kunth | Enum. Pl. 1: 491 | 1833 |
| Poaceae | ! |
Andropogon gerardi | Vitman | Summa Pl. 6: 16 | 1792 |
| Poaceae | |
Andropogon gerardi var. hondurensis | R.W. Pohl | Novon 2(2): 108 | 1992 |
| Poaceae | |
Andropogon glomeratus | (Walter) Britton, Sterns & Poggenb. | Prelim. Cat. 67 | 1888 |
| Poaceae | ! |
Andropogon gracilis | Spreng. | Syst. Veg. [Sprengel] 1: 284 | 1825 [1824] |
| Poaceae | ! |
Andropogon gyrans | Ashe | J. Elisha Mitchell Sci. Soc. 15: 113 | 1898 |
| Poaceae | |
Andropogon lateralis | Nees | Fl. Bras. Enum. Pl. 2(1): 329–330 | 1829 |
| Poaceae | |
Andropogon leucostachyus | Kunth | Nov. Gen. Sp. (quarto ed.) 1: 187 | 1815 [1816] |
| Poaceae | |
Andropogon selloanus | (Hack.) Hack. | Bull. Herb. Boissier, sér. 2, 4: 266 | 1904 |
| Poaceae | ! |
Andropogon virginicus | L. | Sp. Pl. 2: 1046 | 1753 |
| Poaceae | ! |
Andropogoneae | Dumort. | Observ. Gramin. Belg. 84, 90, 141 | 1824 |
| Poaceae | |
Andropogoninae | J. Presl | Reliq. Haenk. 1(4–5): 331 | 1830 |
| Poaceae | ! |
Anthephora | Schreb. | Beschr. Gras. 2: 105 | 1810 |
| Poaceae | |
Anthephora hermaphrodita | (L.) Kuntze | Revis. Gen. Pl. 2: 759 | 1891 |
| Poaceae | ! |
Arberella | Soderstr. & C.E. Calderón | Brittonia 31(4): 433 | 1979 |
| Poaceae | |
Arberella costaricensis | (Hitchc.) Soderstr. & C.E. Calderón | Brittonia 31(4): 439 | 1979 |
| Poaceae | |
Arberella dressleri | Soderstr. & C.E. Calderón | Brittonia 31(4): 433–435, f. | 1979 |
| Poaceae | |
Arberella grayumii | Davidse | Novon 2(2): 94, f. 6 | 1992 |
| Poaceae | |
Arberella lancifolia | Soderstr. & Zuloaga | Brittonia 37(1): 25, f. 3, 4 | 1985 |
| Poaceae | |
Aristida | L. | Sp. Pl. 1: 82 | 1753 |
| Poaceae | ! |
Aristida adscensionis | L. | Sp. Pl. 1: 82 | 1753 |
| Poaceae | |
Aristida appressa | Vasey | Contr. U.S. Natl. Herb. 1(8): 282 | 1893 |
| Poaceae | ! |
Aristida capillacea | Lam. | Tabl. Encycl. 1: 156 | 1791 |
| Poaceae | ! |
Aristida divaricata | Humb. & Bonpl. ex Willd. | Enum. Pl. 1: 99 | 1809 |
| Poaceae | |
Aristida gibbosa | (Nees) Kunth | Enum. Pl. 1: 189 | 1833 |
| Poaceae | |
Aristida hamulosa | Henrard | Meded. Rijks-Herb. 54: 219–221, f. | 1926 |
| Poaceae | |
Aristida havardii | Vasey | Bull. Torrey Bot. Club 13(2): 27 | 1886 |
| Poaceae | |
Aristida jorullensis | Kunth | Révis. Gramin. 1: 62 | 1829 |
| Poaceae | ! |
Aristida laxa | Cav. | Icon. 5: 44–45, t. 470, f. 1 | 1799 |
| Poaceae | ! |
Aristida liebmannii | E. Fourn. | Mexic. Pl. 2: 78 | 1886 |
| Poaceae | |
Aristida longifolia | Trin. | Mém. Acad. Imp. Sci. St.-Pétersbourg, Sér. 6, Sci. Math. 1(1): 84 | 1830 |
| Poaceae | |
Aristida megapotamica | Spreng. | Syst. Veg. [Sprengel] 4(2): 31 | 1827 |
| Poaceae | |
Aristida purpurascens | Poir. | Encycl., Suppl. 1(2): 452 | 1811 |
| Poaceae | |
Aristida purpurascens var. tenuispica | (Hitchc.) Allred | Rhodora 88(855): 383 | 1986 |
| Poaceae | |
Aristida recurvata | Kunth | Nov. Gen. Sp. (quarto ed.) 1: 123 | 1815 [1816] |
| Poaceae | |
Aristida riparia | Trin. | Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 4: 48 | 1836 |
| Poaceae | |
Aristida schiedeana | Trin. & Rupr. | Sp. Gram. Stipac. 120–121 | 1842 |
| Poaceae | |
Aristida setifolia | Kunth | Nov. Gen. Sp. (quarto ed.) 1: 122 | 1815 [1816] |
| Poaceae | |
Aristida ternipes | Cav. | Icon. 5: 46 | 1799 |
| Poaceae | |
Aristida tincta | Trin. & Rupr. | Sp. Gram. Stipac. 111–112 | 1842 |
| Poaceae | ! |
Aristideae | C.E. Hubb. | Grass. Burma, Ceylon, India & Pakistan 685 | 1960 |
| Poaceae | |
Arthrostylidiinae | Soderstr. & R.P. Ellis | Grass Syst. Evol. 238 | 1987 [1988] |
| Poaceae | |
Arthrostylidium | Rupr. | Bambuseae 27 | 1839 |
| Poaceae | |
Arthrostylidium excelsum | Griseb. | Fl. Brit. W. I. 529 | 1864 |
| Poaceae | |
Arthrostylidium judziewiczii | Davidse | Novon 2(2): 81 | 1992 |
| Poaceae | |
Arthrostylidium merostachyoides | R.W. Pohl | Novon 2(2): 83, f. 1 | 1992 |
| Poaceae | ! |
Arthrostylidium pubescens | Rupr. | Bambuseae 29, t. 4 | 1839 |
| Poaceae | |
Arthrostylidium venezuelae | (Steud.) McClure | J. Wash. Acad. Sci. 32(6): 172 | 1942 |
| Poaceae | ** |
Arundinaceae | Burmeist. | Handb. Naturgesch. 204 | 1837 |
| Poaceae | |
Arundineae | Dumort. | Observ. Gramin. Belg. 82, 87, 124 | 1824 |
| Poaceae | |
Arundinella | Raddi | Agrostogr. Bras. 36–37, pl. 1, f. 3 | 1823 |
| Poaceae | ! |
Arundinella berteroniana | (Schult.) Hitchc. & Chase | Contr. U.S. Natl. Herb. 18(7): 290 | 1917 |
| Poaceae | |
Arundinella deppeana | Nees ex Steud. | Syn. Pl. Glumac. 1: 115 | 1854 |
| Poaceae | ! |
Arundinella hispida | (Humb. & Bonpl. ex Willd.) Kuntze | Revis. Gen. Pl. 2: 761 | 1891 |
| Poaceae | |
Arundinelleae | Stapf | Fl. Cap. 7: 314 | 1898 |
| Poaceae | |
Aulonemia | Goudot | Ann. Sci. Nat., Bot., sér. 3, 5: 75 | 1846 |
| Poaceae | |
Aulonemia clarkiae | Davidse & R.W. Pohl | Novon 2(2): 84, f. 2 | 1992 |
| Poaceae | |
Aulonemia laxa | (F. Maek.) McClure | Smithsonian Contr. Bot. 9: 58 | 1973 |
| Poaceae | ! |
Aulonemia patriae | R.W. Pohl | Ann. Missouri Bot. Gard. 68(1): 225–226 | 1981 |
| Poaceae | |
Aulonemia viscosa | (Hitchc.) McClure | Smithsonian Contr. Bot. 9: 61 | 1973 |
| Poaceae | |
Aveneae | Dumort. | Observ. Gramin. Belg. 82, 86, 120 | 1824 |
| Poaceae | |
Aveninae | J. Presl | Reliq. Haenk. 1(4–5): 246 | 1830 |
| Poaceae | ! |
Axonopus | P. Beauv. | Ess. Agrostogr. 12 | 1812 |
| Poaceae | ! |
Axonopus aureus | P. Beauv. | Ess. Agrostogr. 12 | 1812 |
| Poaceae | |
Axonopus capillaris | (Lam.) Chase | Proc. Biol. Soc. Washington 24: 133 | 1911 |
| Poaceae | |
Axonopus centralis | Chase | J. Wash. Acad. Sci. 17: 143 | 1927 |
| Poaceae | ! |
Axonopus chrysoblepharis | (Lag.) Chase | Proc. Biol. Soc. Washington 24: 134 | 1911 |
| Poaceae | |
Axonopus ciliatifolius | Swallen | J. Wash. Acad. Sci. 23(10): 458 | 1933 |
| Poaceae | |
Axonopus compressus | (Sw.) P. Beauv. | Ess. Agrostogr. 12 | 1812 |
| Poaceae | |
Axonopus elongatus | Swallen | Contr. U.S. Natl. Herb. 29(9): 414 | 1950 |
| Poaceae | ! |
Axonopus fissifolius | (Raddi) Kuhlm. | Comm. Lin. Telegr., Bot. 67(11): 87 | 1922 |
| Poaceae | |
Axonopus jeanyae | Davidse | Ann. Missouri Bot. Gard. 74(2): 421, f. 5 | 1987 |
| Poaceae | ! |
Axonopus micay | García-Barr. | Caldasia 8(39): 432, f. | 1960 |
| Poaceae | |
Axonopus poiophyllus | Chase | Proc. Biol. Soc. Washington 24: 133 | 1911 |
| Poaceae | |
Axonopus purpusii | (Mez) Chase | J. Wash. Acad. Sci. 17: 144 | 1927 |