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.
NYGAARD, Gunnar 1950 ('1949' p.b. 10.i.1950) Hydrobiological studies on some Danish ponds and lakes. Part II: the quotient hypothesis and some new or little known phytoplankton organisms K. Danske Vid. Selsk. Biol. Skr. 7{1}. 293 pp., 126 figs., IV tables in text and on Beilagen 86 new names |