Grass Widows, Purple-eyed Grass, Satin Flower: Olsynium douglasii var. douglasii (Synonyms: Sisyrinchium douglasii ssp. douglasii, Sisyrinchium douglasii var. douglasii) -
Grass Widows, Inflated Grass Widows, Inflated Purple-eyed Grass, Purple-eyed Grass, Satin Flower: Olsynium douglasii var. inflatum (Synonyms: Olsynium inflatum, Sisyrinchium douglasii var. inflatum, Sisyrinchium inflatum) - Known from near the Klickitat River.