1903785 966984 Sphenopholis interrupta (Buckley) Scribn. [116 1035174 Trisetum interruptum Buckley]
Grasses of the Southwest (= Illustrations of North American grasses vol. 1) , vol. 1(2): : t. 22 ()
1210085 966984 Sphenopholis interrupta (Buckley) Scribn. [116 1035174 Trisetum interruptum Buckley]
G. Vasey, Grass. Southw., vol. 2 : t. 22 (1891)
1903776 966984 Sphenopholis interrupta (Buckley) Scribn. [125 1035174 Trisetum interruptum Buckley]
Grasses of the Southwest (= Illustrations of North American grasses vol. 1) , vol. 1(2): : t. 21 ()
1210076 966984 Sphenopholis interrupta (Buckley) Scribn. [125 1035174 Trisetum interruptum Buckley]
G. Vasey, Grass. Southw., vol. 2 : t. 21 (1891)
2382146 966991 Sphenopholis obtusata (Michx.) Scribn. [125 34731 Aira obtusata Michx.]
J. Torrey, Fl. New York [coloured version], vol. 2 : t. 150, fig. 1 (1843) [unsigned]
3129736 966991 Sphenopholis obtusata (Michx.) Scribn. [125 34731 Aira obtusata Michx.]
C.S. Kunth, Révis. Gramin., Plates (coloured version): t. 84 (1829)
723726 966991 Sphenopholis obtusata (Michx.) Scribn. [125 34731 Aira obtusata Michx.]
C.S. Kunth, Revis. Gramin., Plates: t. 84 (1835)
3806466 966991 Sphenopholis obtusata (Michx.) Scribn. [125 34731 Aira obtusata Michx.]
S. Elliott, Sketch Bot. S. Carolina, vol. 2 : t. 9, fig. 1 (1824)
2014206 967010 Sphenopholis pensylvanica (L.) Hitchc. [125 120594 Avena pensylvanica L.]
G. Vasey, C. Richardson, Agric. Grass. U.S.: p. 74, t. 65 (1884) [Marx]
431751Sphenopholis obtusata (Michx.) Scribn. {80 34731 Aira obtusata Michx.}
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 101 (1972) [from Hitchcock & Chase]
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