]> [author note: NEBC, WVW (orig.)] [collector note: California, Oregon, Texas, Montana, Colorado & Washington: DAO, GH. Maine (and other states?): MAINE, NEBC, NCU. United States: NMW, UC. Lichens and Fungi: Idaho: NEBC, FH] Spergularia atrosperma Rossbach, Rhodora 42: 80. 1940 Botany Rossbach, George Bowyer Rossbach, George Bowyer G. B. Rossbach Rossbach George Bowyer Rossbach 1910 2002