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
IVANOV, Leonid
1901
[About algae of Omsk salt lakes district]
Zapiski Zapadno-Sibirskogo Otdela Imperatorskago Russkago Geograficheskago Obshchestva
27: 112-116, 2 figs.