Stock photography, photos: Blue Flax Flowers Stock photos of Several blossomed and unblossomed blux flax (Linum lewisii) flowers. Audubon National Wildlife Refuge, North Dakota. Photograph: © Matthew Thalman Click for a larger image and more information Keywords associated with this stock photo: Blue Flax, flower, Linum lewisii, plant, America, Audubon National Wildlife Refuge, National Wildlife Refuge, North America, North Dakota, United States, United States of America, US, USA