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

Field Museum of Natural History
Catalog #: C0503931F
G. Lagerheim #s.n. 03 June 1884
Porphyridium cruentum (S.F.Gray) Nägeli
Sweden, Stockholms län, To Kjefvinge near Stockholm [ad Kjefvinge prope Stockholmiam]