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
BAHLS, Loren L.
Diatoms from western North America 1. Some new and notable biraphid species
The Montana Diatom Collection. L.H. Bahls. Helena, Montana
52 pp., 288 figs., maps and color habitat photos