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2 557346 Ipomoea steerei (Standl.) L.O. Williams [80 429048 Exogonium steerei Standl.]
P.C. Standley, J.A. Steyermark, Fl. Guatemala, vol. 9(1,2): : p. 55, fig. 6 (1946-1977) [D.L. Simon]
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