Cerastium aleuticum, common name Aleutian mouse-ear chickweed, is a plant species endemic to the US State of Alaska. It is found only on islands, not on the Alaskan mainland: Aleutian, St. Lawrence, St. Paul, Popof, and Kodiak Islands. It is found on rocky slopes and mountainsides up to an elevation of .Flora of North America v 5
Cerastium aleuticum is a perennial herb spreading by means of underground rhizomes. Stems are branched, up to long, covered with soft hairs. Flowers are single or in groups of 2 or 3, white. Capsules are cylindrical, up to 11 mm long.Hultén, Oskar Eric Gunnar. 1936. Svensk Botanisk Tidskrift 30(3): 520–521, f. 3a–b.Hultén, E. 1968. Flora of Alaska i–xxi, 1–1008. Stanford University Press, Stanford.Welsh, S. L. 1974. Anderson's Flora of Alaska and Adjacent Parts of Canada i–xvi, 1–724. Brigham Young University Press, Provo.Welsh, Stanley Larson. 1968. Great Basin Naturalist 28(3): 148.
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