Eupatorium purpureum var. angustifolium Torrey & A. Gray

Eupatorium purpureum var. angustifolium Torrey & A. Gray is a synonym sensu FNA Ed. Comm., 2006c of:

Eutrochium fistulosum (Barratt) E.E. Lamont, an accepted species name sensu FNA Ed. Comm., 2006c.