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Taxon  Report  
Polemonium occidentale  Greene  ssp. occidentale 

(not an active name)

Western polemonium
Polemonium occidentale ssp. 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
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Bloom Period
Parent: Polemonium occidentale
Genus: Polemonium
Family: Polemoniaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest

Name Status:
Accepted by PLANTS

Alternate Names:
PLANTSPolemonium caeruleum ssp. amygdalium
PLANTSPolemonium caeruleum ssp. occidentale
PLANTSPolemonium caeruleum var. pterospermum
PLANTSPolemonium helleri
PLANTSPolemonium intermedium
More …
Information about  Polemonium occidentale ssp. occidentale from other sources
Nursery availability from CNPLX
This plant is available commercially.
USDA PLANTS Profile (POOCO)

Photos on Calflora

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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]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 12/21/2024).