Calflora Taxon Report
Asclepias asperula  (Decne.) Woodson
Spider milkweed
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2025 richard mcneill
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2025 richard mcneill
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2010 jimandre
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2017 jimandre
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2025 richard mcneill
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2024 garybnunn
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2017 jimandre
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2010 jimandre
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2010 Judy McBride
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2014 Ron Wolf
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2014 Wynn Anderson
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2014 Wynn Anderson
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2014 Wynn Anderson
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2005 James M. Andre
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2025 richard mcneill
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2025 richard mcneill
photo on Calflora
2025 richard mcneill
Asclepias asperula is a perennial herb that is native to California, and also found elsewhere in western North America.
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
Subspecies and Varieties:
Genus: Asclepias
Family: Apocynaceae  
(Asclepiadaceae)
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot
Toxicity: Do not eat any part of this plant.

Communities: Pinyon-Juniper Woodland

Name Status:
Accepted by PLANTS + POWO
External links:
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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