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

Yale University Herbarium, Peabody Museum of Natural History
Catalog #: YU.185080
s.n.
Gongylia nadvornikii Servít
Norway

Duke University Herbarium Lichen Collection
Catalog #: 394227
135e6564-b166-49a9-bd66-6f2c4da84da9
Havaas, Johan, J. #s.n.
Porpidia rugosa (Taylor) Coppins & Fryday
Norway, Hordaland, Granvin. Åsene par. Granvin

Lichen Herbarium of the Museum of Evolution, Uppsala University
Catalog #: L-136411
J.J. Havaas s.n.
Sagediopsis barbara (Th.Fr.) R.Sant. & Triebel
Norway, Hordaland, Granvin, Aasene par. Granvin