Pycnanthemum virginianum (Linnaeus) B.L. Robinson & Fernald var. virginianum

Pycnanthemum virginianum (Linnaeus) B.L. Robinson & Fernald var. virginianum is a synonym sensu TROPICOS of:

Pycnanthemum virginianum (Linnaeus) B.L. Robinson & Fernald, an accepted species name.