Page author: David Giblin
Cerastium glomeratum
sticky mouse-ear chickweed
WTU specimens
Other herbaria
WTU images

Distribution: Widely distributed throughout Washington, but more common west of the Cascades crest; occurring throughout western and eastern North America.

Habitat: Low elevations in disturbed ground.

Flowers: March-June

Origin: Introduced from Europe

Conservation Status: Not of concern


Copiously glandular-pubescent annual, the 1-several erect to decumbent stems branched, 1-3 dm. long.


Basal and lower cauline leaves spatulate to obovate, opposite, 8-15 mm. long and up to 8 mm. broad, tapered to the petiole; middle and upper cauline leaves larger, ovate to obovate, sessile.


Flowers numerous, in tight clusters in an open inflorescence; pedicels shorter than the calyx; sepals 5, 4-5 mm. long, stiff-hairy; petals 5, white, equal to the sepals; stamens 10; styles 5.


Capsule cylindric, twice as long as the calyx.

Accepted Name:
Cerastium glomeratum Thuill.
Publication: Fl. Env. Paris, ed. 2. 226. 1799. 1799.

Synonyms & Misapplications:
Cerastium acutatum Suksd.
Cerastium fulvum Raf.
Cerastium viscosum L. [HC]
Additional Resources:

PNW Herbaria: Specimen records of Cerastium glomeratum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Cerastium glomeratum checklist entry.

E-Flora BC: Cerastium glomeratum atlas page.

CalPhotos: Cerastium glomeratum photos.

USDA Plants: Cerastium glomeratum information.

26 photographs:
Group by