Keywords: Oenothera albicaulis NRCS-001.jpg en Oenothera albicaulis Pursh - whitest evening primrose not provided http //plants usda gov/java/largeImage imageID oeal_001_ahp tif Clarence A Rechenthin Provided by USDA NRCS East Texas PMC ETPMC other versions PD-USGov Oenothera albicaulis |