Lundell & Nannfeldt, Fungi Exs. Suec.
S. Lundell ; J.A.F. Nannfeldt. [1-3800]

USDA United States National Fungus Collections
Catalog #: BPI 806012
Santesson R. #10945b 19 July 1955
Lulworthia G.K. Sutherl.
Sweden, Bohuslan: Skafto parish, Usholmen (Ullsholm) 2.5 km WNW of Kristineberg. In the Verrucaria maura zone.