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 #: UC761556
F. Borgesen #s.n. 18 June 1900
Prasiola crispa (Lightfoot) Kützing
Faroe Islands, Streymoy, Insula Stromo, Hojvig

Miami University - Algae
Catalog #: 000212080
F. Börgesen #s.n. 18 June 1900
Prasiola crispa (Lightfoot) Kützing
Faroe Islands, Insulæ Feroensis Strömö ad rupes verticales ad Höjvig