Stock photography, photos: Cliff Rue Wildflower Stock photos of Closeup of Cliff Rue wildflowers in the species Thalictrum mirabile and family Ranunculaceae. Photographed in the Lower Howards Creek Nature and Heritage Preserve in the Bluegrass region of Kentucky USA Photograph: © Jim Lane Click for a larger image and more information Keywords associated with this stock photo: America, Bluegrass region, Cliff Rue, KY, Kentucky, North America , Ranunculaceae, Spring, Thalictrum mirabile, U.S., U.S.A., US, USA, United States, angiosperm, beautiful, beauty, bloom, blossom, close up, close-up, closeup, color, colorful, colour, colourful, delicate, flower, herbaceous, nature, park, plant, preserve, south, southern, vertical, white, wildflower