Physostegia virginiana var. denticulata (Aiton) A. Gray nom. illeg.

Physostegia virginiana var. denticulata (Aiton) A. Gray nom. illeg. is a synonym sensu TROPICOS of:

Physostegia virginiana (Linnaeus) Bentham subsp. virginiana, an accepted subspecies name sensu FNA Ed. Comm., in prep. i.