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

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.185204
s.n.
Thelotrema pachystomum Nyl.
Jamaica

University of Michigan Herbarium
Catalog #: 131223
569e27ef-abd1-46be-85d4-886bd4b4d195
C. E. Cummings #s. n.
Thelotrema pachystomom
Jamaica, no data, Contact UM Herbarium

Duke University Herbarium Lichen Collection
Catalog #: 334494
c70092d9-8459-4e1e-a845-a40e2390cf7a
Cummings, Clara, E. #s.n.
Myriotrema pachystomum (Nyl.) Hale
Jamaica, Jamaica, unspecified