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
WATANABE, Tsuyoshi, Akiko UEDA, Yudai AKABOSHI & Noboru KATANO
2011 (Dec 31)
Diatoms in Akita Prefecture, northern part of Japan, part 3 — Diatoms from the hot spring of Oyasukyo gorge
Diatom
27: 69-74, 17 figs.