Eatonia pensylvanica (Spreng.) Shafer species synonym

Aira ×pallens Biehler species synonym

Trisetum pensylvanicum (Spreng.) Trin. species heterotypic synonym

Sphenopholis obtusa var. major (Torr.) Erdman variety synonym

Sphenopholis pensylvanica var. flexuosa (Scribn.) F.T.Hubb. variety synonym

Arrhenatherum pensylvanicum (L.) Torr. species synonym

Eatonia obtusata var. laxiflora Gatt. variety synonym

Aira obtusa Raf. species synonym

Koeleria pensylvanica var. major (Torr.) Torr. variety synonym

Reboulea pensylvanica var. major (Torr.) A.Gray variety synonym

Koeleria pensylvanica (Spreng.) DC. species synonym

Reboulea pensylvanica (Spreng.) A.Gray species synonym

Trisetum aristatum (Scribn. & Merr.) Nash species synonym

Eatonia pensylvanica (Spreng.) A.Gray species synonym

Sphenopholis obtusata f. obtusata form synonym

Reboulea obtusata var. obtusata variety synonym

Eatonia pensylvanica var. longiflora Vasey ex L.H.Dewey variety synonym

Eatonia pensylvanica var. filiformis Chapm. variety synonym

Eatonia pensylvanica var. major (Torr.) A.Gray variety synonym

Arrhenatherum kentuckensis Torr. species synonym

Trisetarium elongatum (Kunth) Poir. species synonym

Trisetum interruptum var. interruptum variety synonym

Sphenopholis ×pallens var. major (Torr.) B.L.Rob. variety synonym

Sphenopholis obtusata subsp. pubescens (Scribn. & Merr.) Scribn. subspecies synonym

Sphenopholis palustris subsp. flexuosa Scribn. subspecies synonym

Sphenopholis nitida var. glabra (Nash) B.L.Rob. variety synonym

Sphenopholis obtusata var. obtusata variety synonym

Aira obtusata Michx. species synonym

Sphenopholis obtusata var. pubescens (Scribn. & Merr.) B.L.Rob. variety synonym

Sphenopholis palustris var. flexuosa (Scribn.) B.L.Rob. variety synonym

Aira nitida Biehler species heterotypic synonym

Aira truncata Muhl. species heterotypic synonym

Aira pensylvanica Spreng. species synonym

Aira pallescens Kit. ex Roem. & Schult. species synonym

Aira pallens var. aristata Muhl., 1813 variety synonym

Aira mollis Muhl. species heterotypic synonym

Aira mexicana Trin. ex E.Fourn. species synonym

Aira controversa Steud. species synonym

Aira avenacea Willd. ex Steud. species synonym

Eatonia dudleyi Vasey species synonym

Eatonia densiflora E.Fourn. species synonym

Eatonia robusta Rydb. species synonym

Eatonia pubescens Scribn. & Merr. species synonym

Eatonia ×pallens (Biehler) Scribn. & Merr. species synonym

Eatonia obtusata var. robusta Vasey variety homotypic synonym

Eatonia obtusata var. purpurascens Rydb. & Shear variety synonym

Eatonia nitida (Biehler) Nash species synonym

Eatonia longiflora (Vasey ex L.H.Dewey) Beal species synonym

Eatonia intermedia Rydb. species synonym

Eatonia hybrida Vasey ex Beal species synonym

Eatonia glabra Nash species synonym

Eatonia filiformis (Chapm.) Vasey species synonym

Eatonia aristata Scribn. & Merr. species synonym

Eatonia annua Suksd. species synonym

Graphephorum densiflorum E.Fourn. species synonym

Glyceria pensylvanica (Spreng.) Heynh. species synonym

Airopsis obtusata (Michx.) Desv. species synonym

Aira pallens Muhl. species synonym

Trisetum palustris (Michx.) Torr., 1823 species synonym

Trisetum palustre (Michx.) Torr. species synonym

Trisetum ludovicianum Vasey species synonym

Trisetum lobatum Trin. species synonym

Poa obtusata (Michx.) Link species synonym

Agrostis obtusata Steud. species synonym

Festuca obtusata (Michx.) P.Beauv. species synonym

Eatonia obtusata (Michx.) A.Gray species synonym

Arrhenatherum kentuckense Torr. species synonym

Koeleria truncata var. major Torr. variety synonym

Koeleria truncata (Muhl.) Torr. species synonym

Koeleria paniculata Nutt. species synonym

Koeleria obtusata Trin. ex Steud. species synonym

Koeleria lobata Steud. species heterotypic synonym

Reboulea truncata Torr. ex Munro species synonym

Reboulea ×pallens var. major (Torr.) Farw. variety synonym

Reboulea ×pallens (Biehler) Farw. species synonym

Reboulea ×pallens var. longiflora (Vasey ex L.H.Dewey) Farw. variety synonym

Reboulea obtusata var. pubescens (Scribn. & Merr.) Farw. variety synonym

Reboulea obtusata (Michx.) A.Gray species synonym

Reboulea obtusata var. lobata (Trin.) Farw. variety synonym

Reboulea nitida var. glabra (Nash) Farw. variety synonym

Reboulea nitida (Biehler) Farw. species synonym

Reboulea gracilis Kunth species synonym

Reboulea filiformis (Chapm.) Farw. species synonym

Vilfa alba Buckley species heterotypic synonym

Avena pensylvanica L. species heterotypic synonym

Avena pennsylvanica Muhl. species synonym

Avena palustris Michx. species synonym

Sphenopholis robusta (Vasey ex L.H.Dewey) A.Heller species synonym

Sphenopholis pubescens (Scribn. & Merr.) A.Heller species synonym

Sphenopholis palustris (Michx.) Scribn. species synonym

Sphenopholis ×pallens subsp. major (Torr.) Scribn. subspecies synonym

Sphenopholis ×pallens var. longiflora (Vasey ex L.H.Dewey) Scribn. variety synonym

Sphenopholis obtusata f. purpurascens (Rydb. & Shear) Waterf. form synonym

Sphenopholis nitida subsp. glabra (Nash) Scribn. subspecies synonym

Sphenopholis interrupta (Buckley) Scribn. species accepted

Sphenopholis intermedia var. macranthera B.Boivin variety synonym

Sphenopholis glabra (Nash) A.Heller species synonym

Sphenopholis aristata (Scribn. & Merr.) A.Heller species synonym

Sphenopholis annua (Suksd.) A.Heller species synonym

Avena caroliniana Walter species synonym

Sphenopholis spec (Linnaeus, 1753) Hitchc. species accepted

Sphenopholis obtusata (Michx.) Scribn. species accepted

Sphenopholis obtusata var. pubescens (Scribner & Merrill) Scribner variety synonym

Sphenopholis obtusata subsp. lobata (Trin.) Scribn. subspecies synonym

Sphenopholis pensylvanica (L.) Hitchc. species accepted

Trisetum pensylvanicum (L.) Roem. & Schult. species heterotypic synonym

Sphenopholis nitida (Biehler) Scribn. species accepted

Sphenopholis longiflora (Vasey ex L.H.Dewey) Hitchc. species synonym

Sphenopholis filiformis (Chapm.) Scribn. species accepted

Sphenopholis ×pallens (Biehler) Scribn. species accepted

Sphenopholis intermedia (Rydb.) Rydb. species accepted

Sphenopholis intermedia var. pilosa Dore variety synonym

Sphenopholis obtusata var. major (Torr.) Erdman variety synonym

Trisetum interruptum Buckley species heterotypic synonym

Eatonia pensylvanica var. longiflora Vasey variety homotypic synonym

Eatonia obtusata var. robusta Vasey ex L.H.Dewey variety synonym

Eatonia obtusata var. robusta Vasey ex Rydb. variety synonym

Sphenopholis obtusata var. lobata (Trin.) B.L.Rob. variety synonym

Reboulea truncata Torr. species homotypic synonym

Sphenopholis obtusa (Michx.) Scribn. species accepted

Sphenopholis pallens var. major Scribn., 1908 variety synonym

Aira pallens var. aristata Muhl. ex Elliott variety synonym

Aira capillacea Frank ex Steudel species synonym

Aira mexicana Trin. species homotypic synonym

Aira capillacea Frank species homotypic synonym

Eatonia hybrida Vasey species homotypic synonym

Aira avenacea Willd. species homotypic synonym

Koeleria obtusata Trin. species homotypic synonym