- S. C. Sommerfelt Plant. Crypt. Norv.
- J. E. Areschoug Algae Scand. exs.
- J. E. Tilden American Algae
- F. Collins, J. Holden & W.A. Setchell Phycotheca Boreali- Americana
- F. Hauck & P. Richter Phycotheka Universalis
- W. Migula Krypt. Ger. Austr. et Helv. exs.
- V. Wittrock & O. Nordstedt Algae aqua dulcis exs.
- W. Tyson South African Marine Algae
- Rabenhorst Algen Europa's
- Krypt. Exs. ed. a Museo Palatino Vindobonensi
- T. F. Allen Characeæ Americanæ Exs.
The Algae Herbarium - Exsiccatae
Publisert 6. mars 2022 13:53