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Montana Field Guide

Montana Field Guides

Leafy Arnica - Arnica chamissonis


Global Rank: G5
State Rank: S4

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

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General Description
Stems solitary, erect, 20–80 cm. Herbage glabrate to glandular-puberulent. Leaves mostly cauline, 5 to 10 pairs, entire to denticulate, lanceolate to narrowly ovate, 4–15 cm long; short-petiolate below. Heads 3 to 10; involucre hemispheric, 5–12 mm high, septate-villous, glandular. Rays 10 to 15; ligules 8–15 mm long. Pappus short-barbed to subplumose, tan. Achenes glabrate to glandular, 3–8 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 1

(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 meadows, open forest, woodlands, 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:
Leafy Arnica — Arnica chamissonis.  Montana Field Guide.  .  Retrieved on , from