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
WEATHERBY, Kate, Shauna MURRAY, Dee CARTER, & Jan ŠLAPETA
2011 (Jan)
Surface and flagella morphology of the motile form of Chromera velia revealed by field-emission scanning electron microscopy
Protist
162(1): 142-153, 7 figs.