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 #: UC761175
G. Lagerheim #s.n. 10 June 1893
Trochiscia KŸtzing, 1834
Norway, Troms, Tromsø, Norvegiæ arcticæ prope Tromsø