Merrill: Lich. Exs.
George K. Merrill [1 - 275]

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT016577
G. K. Merrill s.n. 20 April 1910
Pertusaria wulfenii DC.
United States of America, Maine, Knox, Rockland;

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.238296
urn:uuid:380FE60F-4DD8-433C-8199-1819646A6C8A
G. K. Merrill s.n. 20 April 1910
Pertusaria wulfenii DC.
United States, Maine, Knox, Rockland; Rockland

West Virginia University Herbarium
Catalog #: WVA-L-0006859
G. K. Merrill s.n.
Pertusaria hymenea (Ach.) Schaer.
United States, Maine

University of Michigan Herbarium
Catalog #: 119499
G. K. Merrill #s. n. 20 April 1910
Pertusaria rubefacta Erichsen
United States, Maine, Knox, Rockland

Farlow Herbarium of Cryptogamic Botany
Catalog #: barcode-00471536
G. K. Merrill #s.n. 20 April 1910
Pertusaria rubefacta Erichsen
United States of America, Maine, Knox County, Rockland; Rockland

Farlow Herbarium of Cryptogamic Botany
Catalog #: barcode-00471685
G. K. Merrill #s.n. 20 April 1910
Pertusaria wulfenii DC.
United States of America, Maine, Knox County, Rockland; Rockland

University of Florida Herbarium
Catalog #: FLAS L10178
G.K. Merrill s.n. 20 April 1910
Pertusaria wulfenii DC.
United States, Maine, Knox, Rockland

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0032868
G.K. Merrill #L 79947 20 April 1910
Pertusaria hymenea (Ach.) Schaer.
United States, Maine, Rockland

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00034067
G.K. Merrill #s.n. 20 April 1910
Pertusaria hymenea (Ach.) Schaer.
USA, Maine, Rockland;

Duke University Herbarium Lichen Collection
Catalog #: 311983
c22391c9-fa34-11e2-a92b-005056000560
Merrill, George, K. #s.n. 20 April 1910
Pertusaria rubefacta Erichsen
United States, Maine, Knox Co., Rockland