Merrill, Lich. Exs. Ser. II [?Rockland (Maine)]
George K. Merrill [1-150]
IndExs #434087812

University of Michigan Herbarium
Catalog #: 78576
G. K. Merrill #s. n. 11 April 1913
Caloplaca feracissima H. Magn.
United States, Maine, no data, Rockland

Academy of Natural Sciences of Drexel University - Lichens
Catalog #: PH00094435
G. K. Merrill #s.n.
Pertusaria amara (Ach.) Nyl.
United States, Maine, Knox, Rockland;