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

Miami University - Algae
Catalog #: 000211054
s.n.
Gonatozygon monotaenium De Bary

University Herbarium, University of California, Berkeley
Catalog #: UC98604
O. Nordstedt #s.n. 27 June 1885
Zygnema vaucherii
United Kingdom, Gwynedd, Dolgelly [Dolgellau], Wales