Wittrock, Nordstedt & Lagerheim, Algae Aquae Dulcis Exs.
Wittrock, V.B.; Nordstedt, C.F.O.; Lagerheim, G. [1201 - 1612]

University Herbarium, University of California, Berkeley
Catalog #: UC761137
G. Lagerheim #s.n. 01 June 1894
Closterium directum W.Archer
Norway, Troms, Balsfjord, Norvegiæ articæ in fossa turfosa prope Tromsö