E-Flora BC: Electronic Atlas of the Flora of British Columbia

Cerastium fontanum subsp. vulgare Baumg.
mouse-ear chickweed
Caryophyllaceae (Pink family)

Introduction to Vascular Plants
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E-Flora BC Static Map
Distribution of Cerastium fontanum subsp. vulgare
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Species Information

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Biennial or short-lived perennial herb from taproots and often from sprawling, nodally-rooting branches; forming clumps to 40 cm across; stems decumbent to erect, stiff-hairy and glandular to glandular-hairy, 5-40 cm tall/long.
Basal leaves lacking; stem leaves opposite, oblanceolate or spoon-shaped, 7-25 mm long and 2-10 mm wide, 1-nerved, coarsely hairy; leaves of the flowering stems larger, up to 4 cm long and 15 mm wide; stipules lacking.
Inflorescence several to many in an open cluster; flower stalks generally stiff-hairy; petals 5, white, 2-cleft, 5-7 mm long; sepals 5, 4-7 mm long, stiff-hairy, papery-margined.
Capsules cylindric, 7-10 mm long, 10-valved; seeds 0.6-0.8 mm long, reddish-brown.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry roadsides, waste places, gardens and fields in the lowland, steppe and lower montane zones; common in all but NC and NE BC; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia

Synonyms and Alternate Names

Cerastium fontanum (Link) Jalas

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References