Verbascum thapsus var. thapsiforme (Schrad.) Wahlenb.
Verbascum velenovskyi Horák
Verbascum densiflorum, also known as denseflower mullein[1] and dense-flowered mullein,[2] is a species of plant in the figwort family Scrophulariaceae.[3]
References
^USDA, NRCS (n.d.).
"Verbascum densiflorum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 29 July 2015.