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

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.185975
s.n.
Lecanora frustulosa var. ludwigii (Ach.) Th. Fr.
Norway

Duke University Herbarium Lichen Collection
Catalog #: 394186
f1ff7893-efbc-4133-9828-1d1a6be2e129
Havaas, Johan, J. #s.n.
Lecanora frustulosa (Dickson) Ach.
Norway, Hordaland, Granvin. In montibus inter Torrhedler et Smøreggen par. Granvinensis

Duke University Herbarium Lichen Collection
Catalog #: 394185
dd199410-9c34-4ae3-85b2-816e28cb3d2e
Havaas, Johan, J. #s.n.
Lecanora frustulosa (Dickson) Ach.
Norway, Hordaland, Granvin. In montibus inter Torrhedler et Smøreggen par. Granvinensis

Duke University Herbarium Lichen Collection
Catalog #: 394187
add39843-a494-4c9f-9900-6dbc24cce070
Havaas, Johan, J. #s.n.
Lecanora frustulosa (Dickson) Ach.
Norway, Hordaland, Granvin. In montibus inter Torrhedler et Smøreggen par. Granvinensis

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-136386
J.J. Havaas s.n.
Lecanora frustulosa (Dickson) Ach.
Norway, Hordaland, Granvin, In montibus inter Torrhedler et Smöreggen par. Granvinensis