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Schaerer: Lich. Helv. Exs.
Ludwig Emanuel Schaerer [1-650]

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00027520
L.E. Schaerer, Bernae #s.n.
Cladonia digitata var. intergra
, Helvetici

Uppsala University Exsiccati
Catalog #: L-114253
Schaerer s.n.
Cladonia digitata (L.) Hoffm.
Switzerland, In m. Grimsel