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
STRELNIKOVA, Nina I., & Ekaterina N. NIKITINA
2018 (Oct. 4)
Some Cretaceous and Paleogene Trinacria, Medlinia, Sheshukovia species from Russia (Volga river region, Western Siberia), Kazakhstan and Ukraine
Beih. Nova Hedwigia
147: 193-227, 199 figs.