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Montana Field Guide

Montana Field Guides

Common Groundsel - Senecio vulgaris
Other Names:  Old-Man-in-the-Spring, Common Ragwort

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

External Links






 
General Description
Taprooted annual. Stems erect, sometimes branched, 10–50 cm. Herbage sparsely villous. Leaves basal and cauline; blades oblong to oblanceolate; dentate to pinnately lobed, sessile upward, 1–5 cm long. Inflorescence leafy-paniculate with 5 to 15 heads. Heads discoid; involucres narrow, 5–9 mm high; phyllaries ca. 21, glabrous. Disk corollas 4–6 mm long. Achenes ca. 2 mm, sparsely strigose (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced throughout North America; native to Eurasia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 7

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat

References
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Citation for data on this website:
Common Groundsel — Senecio vulgaris.  Montana Field Guide.  .  Retrieved on , from