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

GOMPHONITZSCHIA(Grunow) Schütt image
Gomphonitzschia agmaHohn & Hellerman image
Gomphonitzschia capensis Giffen Bacillaria 7: 191, pl. 1: figs. 29-32 1984
Gomphonitzschia cleveiGrunow image
Gomphonitzschia exiguaH.E. Sovereign Trans. Amer. Microscop. Soc. 77: 131, pl. IV: figs. 41, 42 1958
Gomphonitzschia exiguaSovereign image
Gomphonitzschia indicaSkvortzov image
Gomphonitzschia saigoniMeister image
Gomphonitzschia taiaensisCarter & Denny image
Gomphonitzschia ungeri f. curtaKufferath Bulletin de l'Institut Royal des Sciences Naturelles de Belgique 32{34}: 17, pl. 3: figs. 11, 12 1956
Gomphonitzschia ungeriGrunow image
Gomphonitzschia ungerianaGrunow image