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 #: UC761197
G. Lagerheim #s.n. 24 June 1897
Penium cylindrus Brébisson ex Ralfs
Sweden, Härjedalen (Hrj), Jämtland, Härjedalen; Fjellnäs

Miami University - Algae
Catalog #: 000212053
G. Lagerheim #s.n. 24 June 1897
Penium cylindrus Brébisson ex Ralfs
Sweden, in stagno turfoso ad Fjellnäs in regione subalpina Herjedaliæ