Claytonia perfoliata var. exigua (Douglas ex Torrey & A. Gray) Torrey
Claytonia perfoliata var. exigua (Douglas ex Torrey & A. Gray) Torrey is a synonym sensu TROPICOS of:
Claytonia exigua Douglas ex Torrey & A. Gray subsp. exigua, an accepted subspecies name sensu FNA Ed. Comm., 2003a.