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

University of Michigan Herbarium
Catalog #: 133611
b4cc00eb-dbe5-41e7-b21e-64142502e3f8
G. K. Merrill #s. n. 00 September 1921
Usnea ceratina Ach.
United States, Maine, no data, Matinicus