| Poaceae | |
Deschampsia aciphylla
| (Franch.) Speg. | Anales Mus. Nac. Buenos Aires 5: 89 | 1896 |
| Poaceae | ** |
Deschampsia aenea
| Trin. ex Griseb. | Fl. Ross. [Ledebour] 4(13): 421 | 1852 |
| Poaceae | ** |
Deschampsia airiformis
| (Steud.) Parodi | Darwiniana 8: 469 | 1949 |
| Poaceae | ! |
Deschampsia airiformis
| (Steud.) Benth. & Hook. f. | Gen. Pl. 3: 1158 | 1883 |
| Poaceae | |
Deschampsia alba
| Roem. & Schult. | Syst. Veg. (ed. 15 bis) 2: 688 | 1817 |
| Poaceae | |
Deschampsia aleutica
| Tatew. & Ohwi | J. Fac. Agric. Hokkaido Univ. 36: 95 | 1934 |
| Poaceae | |
Deschampsia alpicola
| Rydb. | Bull. Torrey Bot. Club 32(11): 601 | 1905 |
| Poaceae | |
Deschampsia alpina
| (L.) Roem. & Schult. | Syst. Veg. (ed. 15 bis) 2: 686 | 1817 |
| Poaceae | ** |
Deschampsia ambigua
| P. Beauv. ex B.D. Jacks. | Index Kew. 1: 735 | 1893 |
| Poaceae | |
Deschampsia ampliflora
| (Tovar) Romasch., P.M. Peterson, Soreng & Barberá | Phytoneuron 2019–39: 9 | 2019 |
| Poaceae | |
Deschampsia amurensis
| Prob. | Novosti Sist. Vyssh. Rast. 46(1): 32, pl. 3 | 2015 |
| Poaceae | |
Deschampsia anadyrensis
| V.N. Vassil. | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 8: 68 | 1940 |
| Poaceae | |
Deschampsia andicola
| (Louis-Marie) Valencia | Revista Argent. Agron. 8: 129, f. 2 | 1941 |
| Poaceae | |
Deschampsia andina
| Phil. | Anales Univ. Chile 43: 564 | 1873 |
| Poaceae | |
Deschampsia andraei
| Aursw. | Bot. Zeitung (Berlin) 14: 205 | 1856 |
| Poaceae | |
Deschampsia angusta
| Stapf & C.E. Hubb. | J. Bot. 66: 40 | 1928 |
| Poaceae | |
Deschampsia antarctica
| E. Desv. | Fl. Chil. 6: 338 | 1854 |
| Poaceae | |
Deschampsia aralensis
| Regel | Bull. Soc. Imp. Naturalistes Moscou 41(2): 300 | 1868 |
| Poaceae | ! |
Deschampsia arctica
| (Spreng.) Merr. | Rhodora 4(43): 143 | 1902 |
| Poaceae | ** |
Deschampsia arctica
| (Spreng.) Schischk. | Fl. Zap. Sib. 2: 232 | 1928 |
| Poaceae | |
Deschampsia argentea
| (Lowe) Lowe | Trans. Cambridge Philos. Soc. 6: 529 | 1838 |
| Poaceae | |
Deschampsia atropurpurea
| (Wahlenb.) Scheele | Flora 27: 56 | 1844 |
| Poaceae | |
Deschampsia aurea
| (Munro ex Wedd.) Saarela | PhytoKeys 87: 87 | 2017 |
| Poaceae | |
Deschampsia australis
| Hillebr. | Fl. Hawaiian Isl. 520 | 1888 |
| Poaceae | |
Deschampsia austrobohemica
| Deyl | Folia Geobot. Phytotax. 19(1): 101 | 1984 |
| Poaceae | |
Deschampsia baetica
| (Trin.) Willk. & Lange | Prodr. Fl. Hispan. 1: 66 | 1861 |
| Poaceae | |
Deschampsia baicalensis
| Tzvelev | Bot. Zhurn. (Moscow & Leningrad) 95(6): 861 | 2010 |
| Poaceae | |
Deschampsia barkalovii
| Prob. & Tzvelev | Novosti Sist. Vyssh. Rast. 46(1): 45, pl. 1 | 2015 |
| Poaceae | |
Deschampsia beringensis
| Hultén | Kongl. Svenska Vetensk. Acad. Handl., n.s. 3(5): 107, t. 4, f. 9, f. a | 1927 |
| Poaceae | ! |
Deschampsia berteroana
| (Kunth) Trin. | Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 4,2(1): 10 | 1836 |
| Poaceae | ** |
Deschampsia berteroana
| (Kunth) F. Meigen | Bot. Jahrb. Syst. 17: 228 | 1893 |
| Poaceae | |
Deschampsia biebersteiniana
| Schult. | Mant. 2: 380 | 1824 |
| Poaceae | |
Deschampsia bolanderi
| (Thurb.) Saarela | PhytoKeys 87: 90 | 2017 |
| Poaceae | ! |
Deschampsia borealis
| (Trautv.) Roshev. | Tolmatch. Fl. Tsentr. Taimyra 8: 93 | 1932 |
| Poaceae | ** |
Deschampsia borealis
| (Trautv.) Roshev. | Fl. SSSR 2: 246, 750 | 1934 |
| Poaceae | |
Deschampsia bottnica
| (Wahlenb.) Trin. | Fund. Agrost. 158 | 1820 |
| Poaceae | |
Deschampsia boyacensis
| (Swallen & García-Barr.) Romasch., P.M. Peterson, Soreng & Barberá | Phytoneuron 2019–39: 10 | 2019 |
| Poaceae | * |
Deschampsia brachyphylla
| Nash | Mem. New York Bot. Gard. 1: 37 | 1900 |
| Poaceae | ! |
Deschampsia brachyphylla
| Phil. | Anales Univ. Chile 94: 23 | 1896 |
| Poaceae | |
Deschampsia brasiliensis
| (Louis-Marie) Valencia | Revista Argent. Agron. 8: 128 | 1941 |
| Poaceae | ! |
Deschampsia brevifolia
| R. Br. | Chlor. Melvill. 33–34 | 1823 |
| Poaceae | ** |
Deschampsia caespitosa
| (L.) P. Beauv. | Ess. Agrostogr. 91: 91 | 1812 |
| Poaceae | |
Deschampsia calycina
| J. Presl | Reliq. Haenk. 1(4–5): 251 | 1830 |
| Poaceae | ! |
Deschampsia cespitosa
| (L.) P. Beauv. | Ess. Agrostogr. 91, 149, 160, pl. 18, f. 3 | 1812 |
| Poaceae | |
Deschampsia chapmanii
| Petrie | Trans. & Proc. New Zealand Inst. 23: 401 | 1891 |
| Poaceae | |
Deschampsia christophersenii
| C.E. Hubb. | Bull. Brit. Mus. (Nat. Hist.), Bot. 8: 388 | 1981 |
| Poaceae | |
Deschampsia chrysantha
| (J. Presl) Saarela | PhytoKeys 87: 88 | 2017 |
| Poaceae | |
Deschampsia chrysostachya
| (E. Desv.) Romasch., P.M. Peterson, Soreng & Barberá | Phytoneuron 2019–39: 10 | 2019 |
| Poaceae | |
Deschampsia ciliata
| (Vasey ex Beal) Rydb. | Fl. Rocky Mts. 1060 | 1917 |
| Poaceae | |
Deschampsia clayota
| | | |
| Poaceae | |
Deschampsia conferta
| (Pilg.) Valencia | Revista Argent. Agron. 8: 127 | 1941 |
| Poaceae | |
Deschampsia confinis
| (Vasey ex Beal) Rydb. | Bull. Torrey Bot. Club 36: 533 | 1909 |
| Poaceae | |
Deschampsia congestiformis
| W.E. Booth | Rhodora 45(538): 414 | 1943 |
| Poaceae | |
Deschampsia cordillerarum
| Hauman | Anales Soc. Ci. Argent. 86: 231 | 1918 |
| Poaceae | |
Deschampsia crassifolia
| Font Quer & Maire | Pl. Maroc. nov. 3: 8 | 1930 |
| Poaceae | |
Deschampsia curtifolia
| Scribn. | Circ. Div. Agrostol. U.S.D.A. 30: 7 | 1901 |
| Poaceae | ! |
Deschampsia danthonioides
| (Trin.) Munro | Pl. Hartw. 342 | 1857 |
| Poaceae | * |
Deschampsia desvauxii
| Pilg. | Bot. Jahrb. Syst. 74: 557 | 1949 |
| Poaceae | |
Deschampsia discolor
| (Thuill.) Roem. & Schult. | Syst. Veg. (ed. 15 bis) 2: 686 | 1817 |
| Poaceae | |
Deschampsia domingensis
| Hitchc. & Ekman | Man. Grasses W. Ind. 67, f. 37 | 1936 |
| Poaceae | |
Deschampsia elegans
| Sennen | | |
| Poaceae | |
Deschampsia elegantula
| (Steud.) Parodi | Darwiniana 8: 452 | 1949 |
| Poaceae | |
Deschampsia elongata
| (Hook.) Munro | Pl. Hartw. 342 | 1857 |
| Poaceae | |
Deschampsia eminens
| (J. Presl) Saarela | PhytoKeys 87: 89 | 2017 |
| Poaceae | ! |
Deschampsia flexuosa
| (L.) Trin. | Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 1: 66 | 1836 |
| Poaceae | ** |
Deschampsia flexuosa
| (L.) Nees | Gen. Fl. Germ. 2(1): , t. 43 | 1843 |
| Poaceae | |
Deschampsia foliosa
| Hack. | Cat. Rais. Gramin. Portugal 33–34 | 1880 |
| Poaceae | |
Deschampsia fuegina
| Phil. | Anales Univ. Chile 94: 23 | 1896 |
| Poaceae | |
Deschampsia gayana
| (Steud.) Romasch., P.M. Peterson, Soreng & Barberá | Phytoneuron 2019–39: 10 | 2019 |
| Poaceae | * |
Deschampsia glauca
| (E. Desv.) Parodi | Darwiniana 8: 467 | 1949 |
| Poaceae | ! |
Deschampsia glauca
| Hartm. | Handb. Skand. Fl. 448 | 1820 |
| Poaceae | ! |
Deschampsia gracilis
| Vasey | Bot. Gaz. 10(2): 224 | 1885 |
| Poaceae | |
Deschampsia gracillima
| Kirk | J. Bot. 29: 237 | 1891 |
| Poaceae | * |
Deschampsia grandiflora
| B.D. Jacks. | Index Kew. 1: 735 | 1893 |
| Poaceae | |
Deschampsia grandiflora
| Macloskie | Rep. Princeton Univ. Exp. Patagonia, Bot. 8(1,5,1): 201–202 | 1904 |
| Poaceae | |
Deschampsia gredensis
| (Gand.) Castrov. | Anales Jard. Bot. Madrid 39(1): 210 | 1982 |
| Poaceae | |
Deschampsia gulariantzii
| Prob. & Tzvelev | Novosti Sist. Vyssh. Rast. 46(1): 46, pl. 2 | 2015 |
| Poaceae | |
Deschampsia hackelii
| (Lillo) Saarela | PhytoKeys 87: 87 | 2017 |
| Poaceae | |
Deschampsia hawaiiensis
| (Skottsb.) H. St. John | Bull. Torrey Bot. Club 72: 23 | 1944 |
| Poaceae | |
Deschampsia henrardii
| Kloos | Blumea, Suppl. 3: 24, f. | 1946 |
| Poaceae | |
Deschampsia hispanica
| (Vivant) Cervi & Romo | Collect. Bot. (Barcelona) 12: 82 | 1981 |
| Poaceae | |
Deschampsia holciformis
| J. Presl | Reliq. Haenk. 1(4–5): 251 | 1830 |
| Poaceae | |
Deschampsia hookeri
| Kirk | J. Bot. 29: 238 | 1891 |
| Poaceae | |
Deschampsia hookeriana
| Scribn. | Bot. Gaz. 11: 97 | 1886 |
| Poaceae | |
Deschampsia hultenii
| Prob., Tzvelev & Chiapella | Bot. Pacif. 4(1): 1, f. 2 | 2015 |
| Poaceae | |
Deschampsia × hybridogena
| Tzvelev | Bot. Zhurn. (Moscow & Leningrad) 95(6): 860 | 2010 |
| Poaceae | |
Deschampsia involucrata
| Trin. | Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. 4,2(1): 7 | 1836 |
| Poaceae | |
Deschampsia ircutica
| Tzvelev & Prob. | Novosti Sist. Vyssh. Rast. 46(1): 47–48, pl. 3 | 2015 |
| Poaceae | |
Deschampsia ivanovae
| Tzvelev | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 21: 49 | 1961 |
| Poaceae | |
Deschampsia juergensii
| (Hack.) Valencia | Revista Argent. Agron. 8: 125 | 1941 |
| Poaceae | |
Deschampsia kawakamii
| (Hayata) Honda | J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 3(1): 140 | 1930 |
| Poaceae | ** |
Deschampsia kingii
| (Hook. f.) Macloskie | Rep. Princeton Univ. Exp. Patagonia, Bot. 8(1,5,1): 202 | 1904 |
| Poaceae | ! |
Deschampsia kingii
| (Hook. f.) E. Desv. | Fl. Chil. 6: 335 | 1854 |
| Poaceae | |
Deschampsia klossii
| Ridl. | Bull. Misc. Inform. Kew 1913: 268 | 1913 |
| Poaceae | * |
Deschampsia koelerioides
| (Peyr.) Benth. | J. Linn. Soc., Bot. 19: 96 | 1881 |
| Poaceae | ! |
Deschampsia koelerioides
| Regel | Bull. Soc. Imp. Naturalistes Moscou 41(2): 299 | 1868 |
| Poaceae | |
Deschampsia komandorensis
| Prob. | Novosti Sist. Vyssh. Rast. 50: 18, f. 2 | 2019 |
| Poaceae | ! |
Deschampsia komarovii
| V.N. Vassil. | Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk SSSR 8: 214 | 1940 |
| Poaceae | |
Deschampsia kurilensis
| Tzvelev & Prob. | Bot. Zhurn. (Moscow & Leningrad) 95(6): 859 | 2010 |
| Poaceae | |
Deschampsia laevigata
| (Sm.) Roem. & Schult. | Syst. Veg. (ed. 15 bis) 2: 687 | 1817 |