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
FIGUEROA, Rosa Isabel, Isabel BRAVO, Santiago FRAGA, Esther GARCÉS, & Gisela LLAVERIA
2009 (May)
The life history and cell cycle of Kryptoperidinium foliaceum, a dinoflagellate with two eukaryotic nuclei
Protist
160(2): 285-300, 10 figs. 2 tables