The 48 known sites of Kincaid's Lupine are known to occur in mostly dry upland prairies on the western side of the Willamette Valley. The endangered Fender's Blue Butterfly utilizes Kincaid's Lupine almost exclusively as a larval food source as well as a substrate for depositing eggs.
Photo:
Mount Baldy, Basket Slough National Wildlife Refuge - May 20, 2004
