Aira obtusata
| Aira obtusata Michaux, Fl. Bor.-Amer. 1: 62. 1803. | | FLORIDA: Without data, Michaux s.n. (holotype: P; isotype: US fragm). |
Aira truncata
| Aira truncata Muhlenberg, Descr. Gram. 83. 1817. | | PENNSYLVANIA: Without data, Muhlenberg 127 (holotype: PH; isotype: US(fragm)). |
Airopsis obtusata
| Airopsis obtusata (Michaux) Desvaux, J. Bot. (Desvaux) 1: 200. 1808. | Aira obtusata Michaux 1803. | |
Eatonia annua
| Eatonia annua Suksdorf, W. Amer. Sci. 15: 50. 1906. | | OREGON: Wasco Co.: Dalles on the Columbia River, 8 Jun 1897, Suksdorf 1553 (holotype: ?; isotypes: F, G, ISC, NY, UC, US). |
Eatonia densiflora
| Eatonia densiflora E. Fournier, Mexic. Pl. 2: 111. 1886. | | TEXAS: Bexar Co.: Bexar, Feb 1839, Berlandier 1617 (holotype: W; isotypes: B, LE, US(fragm)). |
Eatonia intermedia
| Eatonia intermedia Rydberg, Bull. Torrey Bot. Club 32: 602. 1905. | | MONTANA: Gallatin Co.: East Gallatin swamps, 24 Jul 1896, Rydberg 3174 (holotype: NY; isotype: US). |
Eatonia longiflora
| Eatonia longiflora (Vasey ex L. H. Dewey) Beal, Grass. N. Amer. 2: 494. 1896. | Eatonia pennsylvanica (Sprengel) A. Gray, var. longiflora Vasey ex L. H. Dewey 1894. | |
Eatonia obtusata var. purpurascens
| Eatonia obtusata (Michaux) A. Gray, var. purpurascens Vasey ex Rydberg & Shear, Bull. Div. Agrostol., U.S.D.A. 5: 30. 1897. | | OKLAHOMA: False Washita [River], 1868, Palmer 404 (lectotype: US). Lectotypified by Hitchcock, U.S.D.A. Misc. Publ. 200: 956. 1935. |
Eatonia obtusata var. robusta
| Eatonia obtusata (Michaux) A. Gray, var. robusta Vasey ex L. H. Dewey, in J. M. Coulter, Contr. U.S. Natl. Herb. 2: 544. 1894. | | TEXAS: Chambers Co.: Wallisville, 1881, Wallis s.n. (holotype: US; isotype: NY). |
Eatonia obtusata var. robusta
| Eatonia obtusata (Michaux) A. Gray, var. robusta Vasey ex Rydberg, Contr. U.S. Natl. Herb. 3: 190. 1895, non Vasey ex L. H. Dewey 1894. | | NEBRASKA: Hooker Co.: Mullen, s.d., Rydberg 1807 (holotype: NY; isotype: US). |
Eatonia pennsylvanica var. longiflora
| Eatonia pennsylvanica (Sprengel) A. Gray, var. longiflora Vasey ex L. H. Dewey, in J. M. Coulter, Contr. U.S. Natl. Herb. 2: 544. 1894. | | TEXAS: Harris Co.: Houston, Mar 1892, Nealley 15 (holotype: US). |
Eatonia pennsylvanica var. major
| Eatonia pennsylvanica (Sprengel) A. Gray, var. major (Torrey) A. Gray, Manual, ed. 2. 558. 1856. | Koeleria truncata (Muhlenberg) Torrey, var. major Torrey 1824. | |
Eatonia pubescens
| Eatonia pubescens Lamson-Scribner & Merrill, Circ. Div. Agrostol., U.S.D.A. 27: 6. 1900. | | MISSISSIPPI: Oktibbeha Co.: Starkville, 30 Apr 1891, Tracy s.n. (holotype: US). |
Eatonia robusta
| Eatonia robusta (Vasey ex L. H. Dewey) Rydberg, Bull. Torrey Bot. Club 32: 602. 1905. | Eatonia obtusata (Michaux) Lamson-Scribner, var. robusta Vasey ex L. H. Dewey 1894. | |
Eatonia obtusata
| Eatonia obtusata (Michaux) A. Gray, Manual, ed. 2. 558. 1856. | Aira obtusata Michaux 1803. | |
Koeleria paniculata
| Koeleria paniculata Nuttall, Gen. N. Amer. Pl. 2(Addenda): 2. 1818. | | FLORIDA: Without data, Say s.n. (holotype: PH; isotype: US fragm). |
Koeleria pennsylvanica var. major
| Koeleria pennsylvanica (Sprengel) de Candolle, var. major (Torrey) Torrey, Fl. New York 2: 469 . 1843. | Koeleria truncata (Muhlenberg) Torrey, var. major Torrey 1824. | |
Koeleria truncata
| Koeleria truncata (Muhlenberg) Torrey, Fl. N. Middle United States 116. 1823. | Aira truncata Muhlenberg 1817. | |
Koeleria truncata var. major
| Koeleria truncata (Muhlenberg) Torrey, var. major Torrey, Fl. N. Middle United States 117. 1823. | | MASSACHUSETTS: Franklin Co.: Near Deerfield, s.d., Cooley s.n. (holotype: NY). |
Poa obtusata
| Poa obtusata (Michaux) Link, Hort. Berol. 1: 176. 1827. | Aira obtusata Michaux 1803. | |
Reboulea gracilis
| Reboulea gracilis Kunth, Revis. Gramin. 341. 1830, nom. illegit. | Aira obtusata Michaux 1803. | |
Reboulea obtusata
| Reboulea obtusata (Michaux) A. Gray, Manual 591. 1848. | Aira obtusata Michaux 1803. | |
Reboulea obtusata var. lobata
| Reboulea obtusata (Michaux) A. Gray, var. lobata Farwell, Rep. (Annual) Michigan Acad. Sci. 17: 182. 1916, nom. inadmiss. | Reboulea obtusata (Michaux) A. Gray 1848; Trisetum lobatum Trinius 1830, nom. illegit.; Aira obtusata Michaux 1803. | |
Reboulea obtusata var. pubescens
| Reboulea obtusata (Michaux) A. Gray, var. pubescens (Lamson-Scribner & Merrill) Farwell, Rep. (Annual) Michigan Acad. Sci. 17: 181. 1916. | Eatonia pubescens Lamson-Scribner & Merrill 1900. | |
Reboulea pallens var. longiflora
| Reboulea pallens (Biehler) Farwell, var. longiflora (Vasey ex L. H. Dewey) Farwell, Rep. (Annual) Michigan Acad. Sci. 17: 182. 1916. | Eatonia pennsylvanica (Sprengel) A. Gray, var. longiflora Vasey ex L. H. Dewey 1894. | |
Reboulea pallens var. major
| Reboulea pallens (Biehler) Farwell, var. major (Torrey) Farwell, Rep. (Annual) Michigan Acad. Sci. 17: 182. 1916. | Koeleria truncata (Muhlenberg) Torrey, var. major Torrey 1824. | |
Reboulea pennsylvanica var. major
| Reboulea pennsylvanica (Sprengel) A. Gray, var. major (Torrey) A. Gray, Manual 591. 1848. | Koeleria truncata (Muhlenberg) Torrey, var. major Torrey 1824. | |
Sphenopholis annua
| Sphenopholis annua (Suksdorf) A. Heller, Muhlenbergia 6: 12. 1910. | Eatonia annua Suksdorf 1906. | |
Sphenopholis intermedia
| Sphenopholis intermedia (Rydberg) Rydberg, Bull. Torrey Bot. Club 36: 533. 1909. | Eatonia intermedia Rydberg 1905. | |
Sphenopholis longiflora
| Sphenopholis longiflora (Vasey ex L. H. Dewey) Hitchcock, J. Wash. Acad. Sci. 23: 453. 1933. | Eatonia pennsylvanica (Sprengel) A. Gray, var. longiflora Vasey ex L. H. Dewey 1894. | |
Sphenopholis obtusata subsp. lobata
| Sphenopholis obtusata (Michaux) Lamson-Scribner, subsp. lobata Lamson-Scribner, Rhodora 8: 144. 1906, nom. inadmiss. | Sphenopholis obtusata (Michaux) Lamson-Scribner) Trisetum lobatum Trinius 1830, nom. illegit.; Aira obtusata Michaux 1803. | |
Sphenopholis obtusata subsp. pubescens
| Sphenopholis obtusata (Michaux) Lamson-Scribner, subsp. pubescens (Lamson- Scribner & Merrill) Lamson-Scribner, Rhodora 8: 144. 1906. | Eatonia pubescens Lamson-Scribner & Merrill 1900. | |
Sphenopholis obtusata var. lobata
| Sphenopholis obtusata (Michaux) Lamson-Scribner, var. lobata Lamson-Scribner ex B. L. Robinson, Rhodora 10: 65. 1908, nom. inadmiss. | Sphenopholis obtusata (Michaux) Lamson-Scribner) Trisetum lobatum Trinius 1830, nom. illegit.; Aira obtusata Michaux 1803. | |
Sphenopholis obtusata var. major
| Sphenopholis obtusata (Michaux) Lamson-Scribner, var. major (Torrey) Erdman, Iowa State J. Sci. 39: 310. 1965. | Koeleria truncata (Muhlenberg) Torrey, var. major Torrey 1824. | |
Sphenopholis obtusata var. pubescens
| Sphenopholis obtusata (Michaux) Lamson-Scribner, var. pubescens (Lamson-Scribner & Merrill) Lamson-Scribner ex B. L. Robinson, Rhodora 10: 65. 1908. | Eatonia pubescens Lamson-Scribner & Merrill 1900. | |
Sphenopholis pallens subsp. major
| Sphenopholis pallens (Biehler) Lamson-Scribner, subsp. major (Torrey) Lamson- Scribner, Rhodora 8: 145. 1906. | Koeleria truncata (Muhlenberg) Torrey, var. major Torrey 1824. | |
Sphenopholis pallens var. longiflora
| Sphenopholis pallens (Biehler) Lamson-Scribner, var. longiflora (Vasey ex L. H. Dewey) Lamson-Scribner, Rhodora 8: 145. 1906. | Eatonia pennsylvanica (Sprengel) A. Gray, var. longiflora Vasey ex L. H. Dewey 1894. | |
Sphenopholis pallens var. major
| Sphenopholis pallens (Biehler) Lamson-Scribner, var. major (Torrey) Lamson-Scribner ex B. L. Robinson, Rhodora 10: 65. 1908. | Koeleria truncata (Muhlenberg) Torrey, var. major Torrey 1824. | |
Sphenopholis pubescens
| Sphenopholis pubescens (Lamson-Scribner & Merrill) A. Heller, Muhlenbergia 6: 12. 1910. | Eatonia pubescens Lamson-Scribner & Merrill 1900. | |
Sphenopholis robusta
| Sphenopholis robusta (Vasey ex L. H. Dewey) A. Heller, Muhlenbergia 6: 12. 1910. | Eatonia obtusata (Michaux) Lamson-Scribner, var. robusta Vasey ex L. H. Dewey 1894. | |
Sphenopholis obtusata var. pubescens
| Sphenopholis obtusata (Michaux) Lamson-Scribner, var. pubescens (Lamson-Scribner & Merrill) Lamson-Scribner ex B. L. Robinson, Rhodora 10: 65. 1908. | Eatonia pubescens Lamson-Scribner & Merrill 1900. | |
Trisetum lobatum
| Trisetum lobatum Trinius, Mém. Acad. Imp. Sci. St.-Petersbourg, Ser. 6, Sci. Math. 1: 66. 1830, nom. illegit. | Aira obtusata Michaux 1803. | |
Vilfa alba
| Vilfa alba Buckley, Proc. Acad. Nat. Sci. Philadelphia 14: 89. 1862, non (Linnaeus) Palisot de Beauvois 1812. | | OREGON |