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Taxon  Report  
Petasites frigidus  (L.) Fr.  var. palmatus  (Aiton) Cronquist
Arctic sweet coltsfoot,   Western coltsfoot
Petasites frigidus var. palmatus is a perennial herb that is native to California, and also found elsewhere in North America and beyond.
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

Bloom Period
Parent: Petasites frigidus
Genus: Petasites
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Communities: Redwood Forest, Mixed Evergreen Forest, wetland-riparian

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTSNardosmia arctica
PLANTSPetasites arcticus
PLANTSPetasites frigidus ssp. arcticus
PLANTSPetasites frigidus ssp. palmatus
PLANTSPetasites hookerianus
Information about  Petasites frigidus var. palmatus from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora


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ID Tips on PlantID.net

[burkeherbarium.org] Range, Habitat, Pollination: Distribution: Occurring chiefly west of the Cascades crest in Washington, also in the Blue Mountains of southeast Washington; British Columbia to northeast Oregon, east across Canada to the Atlantic Coast. Habitat: Damp woods and swampy areas from the lowlands to middle elevations in the mountains. Flowers: March-July Pollination: Bees, flies, beetles, wasps (link added by Mary Ann Machi)

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: 07/21/2024).