Keywords: Oenothera biennis FWS-00.jpg en Oenothera biennis - Common Evening Primrose Digitized 2006-08-11 from original 1980's 35mm slide http //digitalmedia fws gov/cdm/singleitem/collection/natdiglib/id/8151/rec/14 U S Fish and Wildlife Service National Digital Library - Evening Primrose Dr Thomas Barnes Universtiy of Kentucky This file is in public domain not copyrighted no rights reserved free for any use You can use this picture for any use including commercial purposes without the prior written permission and without fee or obligation 100px PD-author Dr Thomas G Barnes U S Fish and Wildlife Service Images uploaded by Fæ Close-ups of Oenothera biennis flowers Photographs by Thomas G Barnes |