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Montana Field Guide

Montana Field Guides

Entire-leaf Goldenweed - Pyrrocoma integrifolia
Other Names:  Haplopappus integrifolius


Global Rank: G3G4
State Rank: S4
* (see State Rank Reason below)

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links






State Rank Reason (see State Rank above)
Pyrrocoma integrifolia commonly occurs in southwest Montana and adjacent counties.
 
General Description
Stems ascending, 7–50 cm, glabrate to sparsely villous. Leaf blades oblanceolate to narrowly elliptic, entire, 3–15 cm long, glabrous, becoming sessile above. Heads radiate, solitary or few, reduced in size below; involucre hemispheric, 1–2 cm high; phyllaries in 2 to 3 series, oblanceolate, ciliate, green above. Rays 18 to 45; ligules 7–18 mm long. Disk corollas 6–10 mm long. Achenes 5–7 mm long, glabrous (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Endemic to southwest MT, adjacent ID and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 99

(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, often calcareous soil of meadows, grasslands; 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:
Entire-leaf Goldenweed — Pyrrocoma integrifolia.  Montana Field Guide.  .  Retrieved on , from