Potentilla gracilis var. ctenophora (Rydberg) B. Boivin

Potentilla gracilis var. ctenophora (Rydberg) B. Boivin is a synonym of:

Potentilla gracilis var. flabelliformis (Lehmann) Nuttall ex Torrey & A. Gray, an accepted variety name sensu FNA Ed. Comm., 2014.