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

Cymbella heteropleura(Ehrenberg) Kützing image
Cymbella heteropleura f. hinganicaSkvortzov image
Cymbella heteropleura f. minorManguin image
Cymbella heteropleura f. nipponicaSkvortzov image
Cymbella heteropleura var. lanceolataA. Cleve image
Cymbella heteropleura var. minorCleve K. Svenska Vet.-Akad. Handl., ser. 4 26{2}: 167, no fig. 1894
Cymbella heteropleura var. subrostrataCleve K. Svenska Vet.-Akad. Handl., ser. 4 26(2): 167 1894
Cymbella heteropleura var. symmetricaBoyer image
Cymbella heteropleura var. typicaRoss image