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Montana Field Guide

Montana Field Guides

Long-leaf Arnica - Arnica longifolia


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

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General Description
Stems solitary or clustered, erect, 20–70 cm. Herbage glandular-puberulent. Leaves cauline, sessile, 5 to 7 pairs, entire, narrowly lanceolate, 5–15 cm long. Heads 3 to 12; narrowly campanulate, 7–10 mm high, glandular-puberulent. Rays 8 to 13; ligules 8–17 mm long. Pappus short-barbed, tan to brown. Achenes 3–7 mm long, glandular-puberulent (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC, AB south to CA, NV, UT and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 2

(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
Very stony soil of meadows, talus slopes, often along streams; subalpine, alpine, rarely lower (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Long-leaf Arnica — Arnica longifolia.  Montana Field Guide.  .  Retrieved on , from