Asclepias
milkweed
Specimens
Photos
Origin: Native
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Asclepias
Synonyms & Misapplications:
(none provided)
Species in Asclepias:
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Asclepias cryptoceras – Humboldt milkweed, pallid milkweed
Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to California, east to Idaho, Wyoming, and Colorado. -
Asclepias fascicularis – Mexican whorled milkweed, narrow-leaf milkweed Occurring east of the Cascades crest in Washington; northeastern Washington to Baja California, Mexico, east to Idaho, Utah, and Arizona.
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Asclepias incarnata – swamp milkweed Known from Okanogan County in Washington; Washington, also in Idaho, east across North America to Atlantic Coast.
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Asclepias speciosa – showy milkweed Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to Mexico, east to the Great Plains and Great Lakes region.
Additional Resources:
PNW Herbaria: Specimen records of Asclepias in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Asclepias checklist entry
OregonFlora: Asclepias information
E-Flora BC: Asclepias atlas page
CalPhotos: Asclepias photos
227 photographs:
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