Compositae source details
Rep. (Annual) Michigan Acad. Sci. 20: 191 (1918)
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Eupatorium trifoliatum var. foliosum (Fernald) Farw. accepted as Eutrochium maculatum var. foliosum (Fernald) E.E.Lamont (original description)
Eupatorium trifoliatum var. maculatum (L.) Farw. accepted as Eupatorium maculatum L. (original description)
Eupatorium trifoliatum var. maculatum (L.) Farw. accepted as Eupatorium maculatum L. (original description)
