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Taxon  Report  
Sisyrinchium idahoense  E. P. Bicknell  var. occidentale  (E. P. Bicknell) Douglass M. Hend.
Idaho blue eyed grass
Sisyrinchium idahoense var. occidentale is a perennial herb that is native to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Parent: Sisyrinchium idahoense
Genus: Sisyrinchium
Family: Iridaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: meadows

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, wetland-riparian

Name Status:
Accepted by JEF + PLANTS + POWO
Alternate Names:
JEF + PLANTSSisyrinchium occidentale
JEFSisyrinchium oreophilum var. occidentale
Information about  Sisyrinchium idahoense var. occidentale from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (SIIDO)

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Google Images

Photos on iNaturalist

ID Tips on PlantID.net


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/14/2025).