Wittrock & Nordstedt, Algae Aquae Dulcis Exs.
Wittrock, V.B.; Nordstedt, C.F.O. [1 - 1200]

Field Museum of Natural History
Catalog #: C0526629F
O. Nordstedt #s.n. 19 May 1877
Monostroma bullosum (Roth) Thuret
Sweden, Skåne län, in aqua lente fluente ad Trolleberg prope Ludam

Miami University - Algae
Catalog #: 000197850
O. Nordstedt #s.n. 19 May 1877
Monostroma bullosum (Roth) Thuret
Sweden, Skåne (Sk), Lund; Trolleberg