Eupatorium purpureum var. maculatum (Linnaeus) Darlington
Eupatorium purpureum var. maculatum (Linnaeus) Darlington is a synonym sensu FNA Ed. Comm., 2006c of:
Eutrochium maculatum (Linnaeus) E.E. Lamont var. maculatum, an accepted variety name sensu FNA Ed. Comm., 2006c.