[Wikipedia] Habitat, Range: Silene suksdorfii is a species of flowering plant in the family Caryophyllaceae known by the common names Suksdorf's silene,[1] Suksdorf's catchfly and Cascade alpine campion. It is native to the Pacific Northwest of the United States, where it occurs from Washington and Idaho to northern California. It is mainly an alpine species, growing in the talus of high mountain slopes. It can also be found below the tree line in forested subalpine habitat. (link added by Mary Ann Machi)