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 #: UC761200
G. Lagerheim #s.n. 14 July 1897
Penium polymorphum (Perty) Perty
Sweden, Jämtlands län, Fjellnäs in regione subalpina Herjedaliæ

Miami University - Algae
Catalog #: 000212056
G. Lagerheim #s.n. 14 July 1897
Penium polymorphum (Perty) Perty
Sweden, ad muscos humidos ad Fjellnäs in regione subalpina Herjedaliæ