The INA is a card file and online reporting system maintained at the Silva Center for Phycological Documentation of the University Herbarium, University of California, Berkeley. It contains nearly 200,000 names of algae (in the broad sense).
The BPU is a card file containing bibliographic references pertaining to algal taxonomy.
Bibliographia Phycologica Universalis
UHERKOVICH, Gábor, & László SZILVÁGYI
1985
Ergänzende Beiträge zur Algenvegetation der Gewässer der Wacherholderheide bei Barcs (Komitat Somogy, Ungarn)
Dunántuli Dolgozatok Termeszettudomanyi sorozat
5: 9-23, 1 fig., III pls.