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Family = Asteraceae, Genus = Senecio, Species = vulgaris, including synonyms,

Displaying matches 1 - 1 of 1.
Senecio vulgaris   (old-man-in-the-Spring, common groundsel)  
(= Senecio vulgaris in Flora of the Pacific Northwest)
Simple or strongly-branched, tap-rooted annual, 1-4 dm. tall. Separate from the only other annual Senecio in our area by the number of involucre bracts (S. vulgaris has about 21, S. sylvaticus,13), the bracteoles (only S. vulgarisÆ are black-tipped) and the aroma (only S. sylvaticus is malodorous).
Distribution: Introduced throughout the United States; common west of the Cascades in the Pacific Northwest
Habitat: Roadsides, waste ground
Origin: Introduced from Europe

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Washington Native Plant Society
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