Oenothera cespitosa subsp. macroglottis (Rydb.) W.L.Wagner, Stockh. & W.M.Klein, 1983 18% complete

No common name

Wagner WL (1983) New Species and Combinations in the Genus Oenothera (Onagraceae). Annals of the Missouri Botanical Garden 70(1): 194. doi: 10.2307/2399016.