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
SANT'ANNA, Célia L., Jan KAŠTOVSKÝ, Guilherme S. HENTSCHKE, & Jirí KOMÁREK
2013 (online Mar. 26)
Phenotypic studies on terrestrial stigonematacean Cyanobacteria from the Atlantic Rainforest, São Paulo State, Brazil
Phytotaxa
89(1): 1-23, 15 figs.