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Montana Field Guide

Montana Field Guides

Balsam Ragwort - Senecio pauperculus
Other Names:  Packera paupercula


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

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General Description
Stems erect, 20–60 cm. Herbage glabrous or tomentose at leaf bases. Leaves: basal petiolate; blades ovate to lanceolate, cuneate, dentate, 2–6 cm long; cauline becoming sessile or clasping, lanceolate to oblanceolate, deeply pinnately divided into narrow lobes. Inflorescence corymbiform with 3 to 10 heads. Heads radiate; involucres 5–10 mm high; phyllaries 13 or 21, glabrous. Rays 8 or 13; ligules 4–12 mm long. Disk corollas 5–6 mm long. Achenes 1–3 mm long, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Throughout all of N. America except the desert southwest (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 4

(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
Moist or wet meadows, fens, thickets, forest openings, often along streams; valleys, montane (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Balsam Ragwort — Senecio pauperculus.  Montana Field Guide.  .  Retrieved on , from