Silva Center for Phycological Documentation: Index Nominum Algarum

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.
A working list of algal type specimens at UC is available here

Results from INA database

Cyclotella iyengariaA.R. Rao & Awasthi image
Cyclotella iyengariaRao & Awasthi image
IYENGARIABørgesen image
Iyengaria nizamuddiniiA. Abbas & M. Shameel Proc. Pakistan Acad. Sci. 47: 149, figs. 15-24 2010
Iyengaria quadriseriataJ.A. West, G.C. Zuccarello, E.K. Ganesan & S. Loiseaux-de Goër Phykos 45: 46, 50 (corrigendum), figs. 1, 2 2015
Iyengaria stellata(Børgesen) Børgesen Danish Scientific Investigations in Iran, Part I: 92 1939
Iyengaria stellata(Børgesen) Børgesen image
Staurastrum cyclacanthum var. iyengarianumS.G. Bharati & G.R. Hegde image