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
ABARCA, Nelida, Regine JAHN, Jonas ZIMMERMANN, & Neela ENKE
2014 (Jan. 29)
Does the cosmopolitan diatom Gomphonema parvulum (Kützing) Kützing have a biogeography?
PLOS ONE
9(1): e86885, 18 pp., 8 figs., 4 tables