Sisyrinchium pallidum
is a rare species which looks similar to Sisyrinchium
montanum but with pale blossoms. Both species grow in moist grassy meadows
and Sisyrinchium montanum is
often found growing where Sisyrinchium pallidum occurs. Pale Blue-eyed-grass
has been found in South Park, Rocky Mountain National Park, Saguache County, El
Paso County and Soapstone Natural Area in Larimer County.