Calflora Taxon Report
Senecio triangularis  Hook.
Arrow leaved ragwort, Arrowhead butterweed, Arrowleaf ragwort, Groundsel
photo on Calflora
2019 Charles Russell
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2019 Bob Sweatt
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2003 Steve Matson
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2018 Adam Chasey
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Richard Spjut
photo on Calflora
2019 Bob Sweatt
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2021 Mike Russler
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2019 Julie Kierstead Nelson
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2014 James Gonsman
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2023 Debra Carey
photo on Calflora
2021 Mike Russler
photo on Calflora
2021 Mike Russler
photo on Calflora
2019 Bob Sweatt
photo on Calflora
2019 Bob Sweatt
photo on Calflora
2003 Steve Matson
photo on Calflora
2003 Steve Matson
photo on Calflora
2019 David popp
Senecio triangularis 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
DJJJASONAFMM

Bloom Period
Genus: Senecio
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot
Toxicity: Do not eat any part of this plant.

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

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

Name Status:
Accepted by JEF + PLANTS + POWO
Alternate Names:
PLANTSSenecio gibbsonsii
PLANTSSenecio triangularis var. angustifolius
External links:
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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