Heuchera cylindrica var. orbicularis (Rosendahl, Butters & Lakela) Calder & Savile

Heuchera cylindrica var. orbicularis (Rosendahl, Butters & Lakela) Calder & Savile is a synonym sensu FNA Ed. Comm., 2009 of:

Heuchera cylindrica Douglas, an accepted species name sensu FNA Ed. Comm., 2009.