Havaas, Lich. Norveg. Occid. Exs. [Bergen]
Johan J. Havaas [1-300]
IndExs #587608277

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.185260
s.n.
Pterygium pannariellum Nyl.
Norway

Duke University Herbarium Lichen Collection
Catalog #: 394088
b89c133e-d4c5-48cc-a807-860b7c55a196
Havaas, Johan, J. #s.n. 00 October 1920
Placynthium pannariellum (Nyl.) H. Magn.
Norway, Hordaland, Granvin. Ad Skålsæte par. Granvin

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-136329
J.J. Havaas s.n. 00 October 1920
Placynthium pannariellum (Nyl.) H. Magn.
Norway, Hordaland, Granvin, Ad Skålsaete par. Granvin

University of Colorado, Museum of Natural History Herbarium Lichen Collection
Catalog #: COLO-L-0087534
J.J. Havaas #s.n. 00 October 1920
Placynthium pannariellum (Nyl.) H. Magn.
Norway, Hordaland, Granvin, Ad Skålsaete par. Granvin