Clarkia amoena var. gracilis (Piper) C.L. Hitchcock

Clarkia amoena var. gracilis (Piper) C.L. Hitchcock is a synonym sensu FNA Ed. Comm., 2021 of:

Clarkia gracilis (Piper) A. Nelson & J.F. Macbride subsp. gracilis, an accepted subspecies name sensu FNA Ed. Comm., 2021.