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Asclepias macrotis
Asclepias macrotis Torrey [Accepted]
Asclepiadaceae Asclepioideae Asclepiadeae
2 96532 Asclepias macrotis Torrey
W.H. Emory, Rep. U.S. Mex. Bound., vol. 2(1): (Botany of the boundary): t. 45 (1859)
2 96532 Asclepias macrotis Torrey
W.A. Bell, M.B. Cantab, New Tracks N. Amer., vol. 1 : t. 1 (1869) [W.G. Smith]