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Montana Field Guide

Montana Field Guides

Rocky Mountain Groundsel - Senecio streptanthifolius
Other Names:  Packera streptanthifolia


Global Rank: G5
State Rank: S4

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

External Links






 
General Description
Fibrous-rooted from a simple or branched short rhizome. Stems erect to ascending, 10–50 cm. Herbage glabrate, sparsely arachnoid in leaf axils. Leaves basal and cauline; basal blades oblanceolate to ovate, cuneate, entire to dentate, 2–4 cm long; cauline blades oblanceolate, entire or with lobes or teeth, becoming sessile above. Inflorescence corymbiform of 3 to 20 heads. Heads radiate; involucres 4–7 mm high; phyllaries 13 to 21, glabrous. Rays 8 to 13; ligules 4–10 mm long. Disk corollas 4–7 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
YT, NT south to CA and NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 21

(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
Stony soil of open forest, grasslands, sagebrush steppe, dry meadows; montane, subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Rocky Mountain Groundsel — Senecio streptanthifolius.  Montana Field Guide.  .  Retrieved on , from