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.
WETZEL, Carlos E., & Luc ECTOR 2014 (Jan. 21) Taxonomy, distribution and autecology of Planothidium bagualensis sp. nov. (Bacillariophyta) a common monoraphid species from southern Brazilian rivers Phytotaxa 156(4): 201-210, 32 figs., 2 tables previously identified as Planothidium lanceolatum |