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

University of Michigan Herbarium
Catalog #: 80750
7300b12c-7868-4aa5-8813-0eb224a660da
G. K. Merrill #s. n.
Cladonia gracilis var. elongata (Wulfen) Flörke
United States, Maine, no data, South Thomaston

University of Wisconsin - Madison
Catalog #: WIS-L-0085877
G.K. Merrill #s.n.
Cladonia elongata (Jacq.) Hoffm.
United States, Maine, Knox, South Thomaston

California Academy of Sciences Lichen dataset
Catalog #: 465338
Merrill, G. K. #114
Cladonia gracilis subsp. elongata (Jacq.) Vain.
United States, Maine, Knox County, South Thomaston