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Montana Field Guide

Montana Field Guides

Rock Groundsel - Senecio werneriifolius
Other Names:  Packera werneriifolia


Global Rank: G5
State Rank: S3S4

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

External Links






 
General Description
Fibrous-rooted from a branched rhizome. Stems ascending to erect, 3–10 cm, scapiform. Herbage sparsely arachnoid. Leaves mostly basal; blades oblong to ovate, entire to dentate at the tip, 5–15 mm long, greatly reduced on the stem. Inflorescence of 1 to 3 heads. Heads radiate (discoid); involucres 7–9 mm high; phyllaries 13 or 21, glabrous or sparsely arachnoid. Rays (0)8 to 13; ligules 5–9 mm long. Disk flowers 5 to 7 mm long. Achenes 2–3 mm long, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
ID, MT south to CA, AZ and NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat

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