Nielsen, Algae Marin. Dan. Exs.
Nielsen, R. [1 - 100]

University Herbarium, University of California, Berkeley
Catalog #: UC1879380
Kolderup Rosenvinge #s.n. 21 September 1893
Polysiphonia fucoides (Hudson) Greville
Denmark, Frederikshavn Municipality, Hirsholm, Kattegat