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

Tabular display

Results from INA database

  1. Stephanodiscus dubius F. Hustedt image
  2. Stephanodiscus dubius Hustedt
  3. Stephanodiscus dubius f. longiseta A. Cleve-Euler image
  4. Stephanodiscus dubius subsp. sibiricus A.P. Skabichevskij
  5. Stephanodiscus dubius var. arcticus T.V. Sechkina image
  6. Stephanodiscus dubius var. dispersus A. Cleve-Euler image
  7. Stephanodiscus dubius var. jeniseyensis B.V. Skvortzov image
  8. Stephanodiscus dubius var. radiosus A. Cleve-Euler image