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Montana Field Guide

Montana Field Guides

Moss Campion - Silene acaulis


Global Rank: G5
State Rank: S4

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

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General Description
Sometimes dioecious, glabrous perennial from a branched caudex, forming mats to 30 cm across. Stems erect or ascending, 1–3 cm. Leaves crowded below, needle-like, 2–8 mm long. Flowers perfect or unisexual, solitary, nearly sessile or on pedicels to 2 cm long; calyx tubular, 4–8 mm long, pinkish, 10-veined; petals rose; the blade 1–6 mm long, 2-lobed; styles 3. Capsule smaller than the calyx, opening by 6 slits. Stony soil of tundra and exposed ridges, slopes; alpine, rarely lower (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


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

Summary of Observations Submitted for Montana
Number of Observations: 44

(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
Stony soil of tundra and exposed ridges, slopes; 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:
Moss Campion — Silene acaulis.  Montana Field Guide.  .  Retrieved on , from