Vascular Plants - Caryophyllaceae - Cerastium:
Cerastium beeringianum
Page Author: David Giblin
Bering chickweed, alpine chickweed 
Blooms: July-August
Habit: herb
Duration: perennial
Origin: Native
Distribution: Occurring in the Cascade Mountains in Washington; Alaska south to California, east to the Rocky Mountains in the U.S.; east across Canada to the Atlantic coast.
Habitat: Alpine zone, mostly in cirques or on talus.
Species Description:

General: Tufted, matted perennial with clumps up to 15 cm. broad, glandular-pubescent with spreading hairs; flowering stems numerous from trailing shoots, up to 25 cm. tall.
Leaves: Leaves opposite, narrowly oblong to oblong lanceolate, 10-15 mm. long and 2-5 mm. broad, without sterile shoots or secondary leaves in the axils.
Flowers: Flowers solitary or 2-5 in an open cyme; bracts herbaceous; pedicels slender, 10-20 mm. long; sepals 5, distinct to the base, 4-6 mm. long, often purplish; petals 5, white, 1.5-2 times as long as the calyx, obcordate, notched; stamens 10; styles 5.
Fruits: Capsule cylindric, longer than the calyx.
Accepted Name:
Cerastium beeringianum Cham. & Schltdl.
Synonyms:
Cerastium alpinum L.
Cerastium alpinum L. var. beeringianum Regel
Cerastium alpinum L. var. capillare (Fernald & Wiegand) B. Boivin
Cerastium beeringianum Cham. & Schltdl. ssp. beeringianum
Cerastium beeringianum Cham. & Schltdl. ssp. earlei (Rydb.) Hultén
Cerastium beeringianum Cham. & Schltdl. var. capillare Fernald & Wiegand
Cerastium beeringianum var. glabratum Hultén
Cerastium beeringianum Cham. & Schltdl var. glabratum Hultén
Cerastium beeringianum Cham. & Schltdl var. grandiflorum Hultén
Cerastium buffumiae A. Nelson
Cerastium earlei Rydberg
Cerastium fischerianum Seringe ex de Candolle
Cerastium fischerianum Seringe ex de Candolle var. beeringianum (Chamisso & Schlechtendal) Hultén
Cerastium pilosum Greene
Cerastium pulchellum Rydberg
Cerastium scammamiae Polunin
Cerastium variabile Goodding
Cerastium vulgatum L. var. beeringianum (Chamisso & Schlechtendal) Fenzl

Treated in Flora of the PNW as:
Cerastium berringianum
Additional Resources:

PNW Herbaria Specimens: View list of all Cerastium beeringianum specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Cerastium beeringianum specimens in the WTU Herbarium database.

Washington Flora Checklist: Cerastium beeringianum treatment.

E-Flora BC: Cerastium beeringianum atlas page.

CalPhotos: Cerastium beeringianum images.

USDA Plants Database: Cerastium beeringianum.
Additional photographs of Cerastium beeringianum:
(click on a thumbnail to view larger photo)

Bud Kovalchik

G. D. Carr, 2011

G. D. Carr, 2011

G. D. Carr, 2011

G. D. Carr, 2011

G. D. Carr, 2011

Gary Brill, 2013

Gary Brill, 2013

Gary Brill, 2015

Gary Brill, 2015
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