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Montana Field Guide

Montana Field Guides

Subalpine Arnica - Arnica rydbergii


Global Rank: G5
State Rank: S4

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

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General Description
Stems solitary or clustered, 5–25 cm. Herbage glabrate to glandular-puberulent. Leaves: basal lanceolate to narrowly elliptic, petiolate, entire or rarely denticulate, 2–5 cm long; cauline 2 to 4 pairs, lanceolate or oblanceolate, sessile or subsessile. Heads 1 to 3; involucre turbinate, 6–12 mm high. Rays 6 to 10; ligules 8–15 mm long. Pappus short-barbed, white. Achenes hirsute, 4–7 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 23

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Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Stony soil of meadows, turf, fellfields; upper montane to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Subalpine Arnica — Arnica rydbergii.  Montana Field Guide.  .  Retrieved on , from