Species: Radiodiscus abietum

E - 5000-20,000 square km (about 2000-8000 square miles) - E - Original range included the Blue Mountains, WA and OR; a string of western ID and ID Panhandle counties (Bonner, Kootenai, Shoshone, Clearwater, Nez Perce, Idaho, and Adams); extreme NE WA (Ferry Co.); and part of NW MT (Lincoln, Sanders, Lake, Mineral, Ravalli, and Missoula Cos.; river valleys involved included the upper Weiser, Little Salmon, Salmon, Hells Canyon, Coeur d'Alene, St. Joe, Clearwater, Lochsa, Selway (all Snake tributaries), Flathead, Kootenai, Clark Fork, and Bitterroot (Frest and Johannes 1995). Currently known to survive at several sites in NE WA; Frest and Johannes (1995) have unsuccessfully rechecked most of the old ID sites, finding it extirpated in all but one, yet they have collected the species in several sites recently; current range therefore is unknown. Historically 13 sites in 6 counties in Montana (Hendricks, 2003) but none recently until Ward Creek in Mineral County (Hendricks, 2003). Hendricks and Maxell (2005) surveyed 108 sites in Montana and Idaho and found this species at 10 in northern Idaho (bringing total to 33) and 6 in northwest Montana (bringing total to 19).<br>