Stock photography, photos: Missouri Milk-Vetch Close-Up Stock photos of Close-up of Missouri Milk-Vetch (Astragalus missouriensis) flower petals. Buffalo River State Park, Minnesota. Photograph: © Matthew Thalman Click for a larger image and more information Keywords associated with this stock photo: Astragalus missouriensis, Bean, Fabaceae, flower, Milk-Vetch, Missouri Milk-Vetch, Pea, plant, close up, close-up, macro, America, Buffalo River, Buffalo River SP, Buffalo River State Park, Minnesota, North America, parks, State Parks, United States, United States of America, US, USA