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

University of Michigan Herbarium
Catalog #: 106179
e7b0a43a-55cd-4fd2-b58e-dfe6288c1b57
G. K. Merrill #s. n.
Hypogymnia krogiae Ohlsson
United States, Maine, Knox, Camden

University of California Berkeley, University Herbarium
Catalog #: UC1977500
41c24d55-6c50-4872-b088-4438ba59396e
G. K. Merrill #s.n.
Hypogymnia enteromorpha (Ach.) Nyl.
United States, Maine, Knox, Camden

University of Wisconsin - Madison
Catalog #: WIS-L-0085813
G. K. Merrill #s.n.
Hypogymnia krogiae Ohlsson
United States, Maine, Knox, Camden

Duke University Herbarium Lichen Collection
Catalog #: 199213
b88c5c95-fa34-11e2-a92b-005056000560
Merrill, George, K. #s.n.
Hypogymnia enteromorpha (Ach.) Nyl.
United States, Maine, Knox Co., Camden