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.
OLRIK, Kirsten 1992 (Nov. 14) Ecology of Peridinium willei and P. volzii (Dinophyceae) in Danish lakes Nordic J. Bot. 12(5): 557-568, 27 figs., 2 tables the two taxa appear to have different ecological tolerances and should not be considered conspecific |