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
LOWE, Rex, J. Patrick KOCIOLEK, Qingmin YOU, Quanxi WANG, & Josh STEPANEK
2017 (May 2)
Diversity of the diatom genus Humidophila in karst areas of Guizhou, China
305(4): 269-284, 92 figs., 1 table