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Montana Field Guide

Montana Field Guides

Heart-leaved Arnica - Arnica cordifolia


Global Rank: G5
State Rank: S5

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

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General Description
Stems solitary or clustered, ascending to erect, 10–50 cm. Herbage villous, glandular-puberulent. Leaves: basal long-petiolate on separate shoots; blades cordate, ovate, dentate, 4–12 cm long; cauline 2 to 4 pairs, petiolate smaller and less cordate upward. Heads 1 to 3; involucre villous, glandular, campanulate, 13–20 mm high. Rays 10 to 15; ligules 1–3 cm long. Pappus short-barbed, white. Achenes hirsute, 5–10 mm long, often glandular (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 228

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Relative Density

Recency

 

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



Habitat

References
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Citation for data on this website:
Heart-leaved Arnica — Arnica cordifolia.  Montana Field Guide.  .  Retrieved on , from