Anonymous, Pl. Exs. Grayan.
Anonymous [1 - 1500 or more]

University of Michigan Herbarium
Catalog #: 1374773
1185da90-bc58-42f0-97e3-cbb3956dce78
E. F. Williams, J. F. Collins & Merritt L. Fernald #s.n. 18 July 1902
Carex × knieskernii
United States, Maine, Aroostook, Aroostook River, Caribou.

Washington State University Marion Ownbey Herbarium
Catalog #: 57118
E.F. Williams #169 18 July 1902
Carex x knieskernii Dewey (pro sp.) [arctata × castanea]
United States, Maine, Aroostook, Aroostook River; Caribou

University of Wisconsin-Madison, Wisconsin State Herbarium
Catalog #: v0280293WIS
44607aac-8798-468d-91c9-4090ef71572a
E.F. Williams; J.F. Collins; M.L. Fernald #169 18 July 1902
Carex x knieskernii Dewey (pro sp.)
United States, Maine, Aroostook River; Caribou