Merrill, Lich. Exs. Ser. I [Rockland (Maine)]
George K. Merrill [1-275]
IndExs #309684157

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.235931
urn:uuid:4800D45A-FE9E-4465-AB04-33BDB4E0101C
C. C. Plitt s.n. 12 November 1909
Dermatocarpon hepaticum (Ach.) Th.Fr.
United States, Maryland, Baltimore, Near Baltimore

University of Michigan Herbarium
Catalog #: 79332
12e07210-08d8-46fe-bab4-ad51ca16894f
C. C. Plitt #s. n. 12 November 1909
Catapyrenium lachneum (Ach.) R. Sant.
United States, Maryland, no data, Near Baltimore

University of Vermont, Pringle Herbarium, North American lichens
Catalog #: UVMVT015528
C. C. Plitt #s.n. 12 November 1909
Dermatocarpon hepaticum (Ach.) Th.Fr.
United States of America, Maryland, Baltimore, Near Baltimore

West Virginia University Herbarium - Lichens
Catalog #: WVA-L-0001775
C. C. Plitt #s.n. 12 November 1909
Placidium A. Massal.
United States, Maryland, Baltimore, Near Baltimore

University of Florida Herbarium - Lichens
Catalog #: FLAS L7938
C.C. Plitt s.n. 12 November 1909
Dermatocarpon hepaticum (Ach.) Th.Fr.
United States, Maryland, Baltimore, near Baltimore

Duke University Herbarium Lichen Collection
Catalog #: 303660
c0f199e0-fa34-11e2-a92b-005056000560
Plitt, Charles, C. #s.n. 12 November 1909
Placidium squamulosum (Ach.) Breuss
United States, Maryland, Baltimore Co., Near Baltimore