Grass Widows: The Genus Olsynium - So far, only found beneath 2000'
Idaho Blue-eyed Grass: Sisyrinchium idahoense var. idahoense (Synonyms: Sisyrinchium angustifolium, Sisyrinchium birameum) -
Western Blue-eyed Grass: Sisyrinchium idahoense var. occidentale (Synonyms: Sisyrinchium angustifolium, Sisyrinchium occidentale) -
Hybrid Blue-eyed Grass: Sisyrinchium idahoense X sarmentosum ? -
Pale Blue-eyed Grass, Pale Grass, Suksdorf's Blue-eyed Grass: Sisyrinchium sarmentosum (Synonym: Sisyrinchium angustifolium) -
Rocky Mountain Iris, Western Blue Flag, Western Iris: Iris missouriensis - So far, only found beneath 2000'