Sisyrinchium is a large genus of annual to perennial flowering plant in the family Iridaceae. Native to the New World, the species are known as blue-eyed grasses and, though not true grasses and in varieties with flower colors other than blue, are monocots.
Sisyrinchium bellum, the western blue-eyed grass or Californian blue-eyed grass, is the common blue-eyed grass of California and Oregon in and west of the Sierra Nevada, its range extending south into Baja California. In parts of its range, western blue-eyed grass has previously been classified as Sisyrinchium eastwoodiae, S. greenei and S. hesperium, but these names are now considered synonyms.
Olsynium douglasii is a species of flowering plant in the iris family (Iridaceae). Common names include Douglas' olsynium, Douglas' grasswidow, grass-widow, blue-eyed grass, purple-eyed-grass, and satin flower, It is the only species in the genus Olsynium in North America, the remaining 11 species being from South America. It was formerly treated in the related genus Sisyrinchium. Despite the common names, it is not a true grass (Poaceae).
Sisyrinchium montanum, the blue-eyed-grass, American blue-eyed-grass, or strict blue-eyed grass, is a grass-like species of plant from the genus Sisyrinchium, native to northern North America from Newfoundland west to easternmost Alaska, and south to Pennsylvania in the east, and to New Mexico in the Rocky Mountains. It has also been introduced to parts of France, likely during the First World War.
Triteleia lugens, the Coast Range triteleia or dark-mouthed triteleia, is a monocot flowering plant in the genus Triteleia. It is endemic to California, where it is known from the Coast Ranges north and south of the San Francisco Bay Area. Its habitat includes forests and chaparral.
Sisyrinchium angustifolium, commonly known as narrow-leaf blue-eyed-grass, is a herbaceous perennial growing from rhizomes, native to moist meadow and open woodland. It is the most common blue-eyed grass of the eastern United States, and is also cultivated as an ornamental.
Sisyrinchium idahoense, the Idaho blue-eyed grass, is a perennial that is native to western North America. It is not a true grass, but is instead in the family Iridaceae.
Sisyrinchium californicum is a species of flowering plant in the iris family known by the common names golden blue-eyed grass, yellow-eyed-grass, and golden-eyed-grass. It is native to the west coast of North America from British Columbia to central California, where it grows in moist habitat, often in coastal areas.
Sisyrinchium elmeri is a species of flowering plant in the family Iridaceae known by the common name Elmer's blue-eyed grass. It is endemic to California, where it is known from many of the mountain ranges from the Klamath Mountains through the Sierra Nevada to the San Bernardino Mountains. It grows in moist habitat types such as meadows and bogs.
Sisyrinchium halophilum is a species of flowering plant in the family Iridaceae known by the common name Nevada blue-eyed grass. It is native to the western United States in and around the Great Basin and Mojave Desert, where it grows in moist, often highly alkaline habitat, such as seeps, meadows, and mineral springs.
Sisyrinchium dichotomum is a rare species of flowering plant in the iris family known by the common names wishbone blue-eyed grass, white irisette, and reflexed blue-eyed grass. It is native to North Carolina and South Carolina in the United States, where fewer than ten populations remain in four counties. It is threatened by the loss and degradation of its habitat and is a federally listed endangered species of the United States.
Sclerocactus papyracanthus is a species of cactus known by the common names paperspine fishhook cactus, grama grass cactus, paper-spined cactus, and toumeya. It is native to North America, where it occurs from Arizona to New Mexico to Texas and into Chihuahua, Northeastern Mexico.
Sisyrinchium sarmentosum is a species of flowering plant in the iris family known by the common names mountain blue-eyed grass and pale blue-eyed-grass. It is native to the Pacific Northwest of North America, where it is known from a part of the Cascade Mountains in Washington and Oregon.
Sisyrinchium longipes, called the timberland blue-eyed grass, is a small herb native to Arizona, California and Chihuahua. It is an erect perennial up to 50 cm tall, with yellow to orange flowers, very often with prominent brown veins. It generally occurs in moist meadows, streambanks or pools in coniferous woods.
Sisyrinchium septentrionale, the northern blue-eyed grass, is a plant species native to western North America. It has been known from Canada, and 4 counties in the US State of Washington and 2 in Montana.
Sisyrinchium albidum, commonly known as white blue-eyed grass, is a species of flowering plant in the family Iridaceae.
Sisyrinchium campestre, the prairie blue-eyed grass or white-eyed grass, is a small herbaceous perennial plant in the iris family, native to prairie and meadow in the central United States and in extreme southern Manitoba.
Sisyrinchium atlanticum, the eastern blue-eyed grass or Atlantic blue-eyed-grass, is a species of flowering plant in the family Iridaceae.
Sisyrinchium groenlandicum, commonly known as Greenland blue-eyed grass, is a perennial cespitose herb native and endemic to Greenland. It has simple purplish tinged 1–2 mm wide stems and glabrous grass-like leaves and 10–13 mm wide pale blue flowers. It is only known from the areas of Nuup Kangerlua, Ameralik and previously Kangerslussuaq.
