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Montana Field Guide

Montana Field Guides

Common Mouse-ear Chickweed - Cerastium fontanum
Other Names:  Cerastium vulgatum [misapplied]

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

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General Description
Perennial forming tufts or small mats with pubescent foliage. Stems 10–40 cm long, trailing and rooting at the nodes. Leaves lanceolate to ovate, 1–3 cm long, rarely fascicled. Inflorescence several-flowered with pedicels up to 1 cm. Flowers: sepals 5–7 mm long; petals 4–7 mm long. Capsule 9–13 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are subspecies vulgare (Hartm.) Greuter & Burdet

Species Range
Unknown/Undetermined
 


Range Comments
Introduced throughout N. America and the world (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
Disturbed soil of lawns, trails, streambanks, roadsides; 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:
Common Mouse-ear Chickweed — Cerastium fontanum.  Montana Field Guide.  .  Retrieved on , from