Smallanthus maculatus (Cav.) H.Rob. [ Polymnia maculata Cav.]
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Smallanthus maculatus (Cav.) H.Rob. [ Polymnia maculata Cav.] [Compositae]
Ann. Missouri Bot. Gard., vol. 62 : p. 1088, fig. 53 (1975) [C.L. Stuessy]