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
NEUSTUPA, Jirí, Marek ELIÁŠ, Pavel ŠKALOUD, Yvonne NEMCOVA, & Lenka ŠEJNOHOVÁ
2011 (Jan. 7) Xylochloris irregularis gen. et sp. nov. (Trebouxiophyceae, Chlorophyta), a novel subaerial coccoid green alga
Phycologia
50(1): 57-66, 22 figs.