Trillium rivale
A spring-flowering perennial of moist woodland, coincidentally quite similar to the eastern U.S. Trillium nivale. Found in southwestern Oregon and adjacent California.
Plant habit on the Snailback Beach Trail west of Selma, Oregon, 3 Apr 2009.
A flower on the Snailback Beach Trail, 3 Apr 2009.
Another view of the same, Snailback Beach Trail, 3 Apr 2009.