Brachystemum verticillatum Michaux
Brachystemum verticillatum Michaux is a synonym of:
Pycnanthemum verticillatum (Michaux) Persoon var. verticillatum, an accepted variety name.
Brachystemum verticillatum Michaux is a synonym of:
Pycnanthemum verticillatum (Michaux) Persoon var. verticillatum, an accepted variety name.