Common name: Tufted Evening Primrose
Scientific name: Oenothera caespitosa ssp. caespitosa
Family: Onagraceae
Tufted Evening Primrose USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 603.
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