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. Nitella opaca (C. Agardh) C. Agardh image
  2. Nitella opaca f. atrovirens (Wallman) Wahlstedt image
  3. Nitella opaca f. brevifolia Wahlstedt image
  4. Nitella opaca f. diversifolia Filarszky image
  5. Nitella opaca f. elongata A. Braun ex Migula
  6. Nitella opaca f. laxa Wahlstedt image
  7. Nitella opaca f. laxior Wahlstedt image
  8. Nitella opaca f. longifolia Wahlstedt image
  9. Nitella opaca f. pseudoflexilis Vilhelm image
  10. Nitella opaca f. subcapitata Wahlstedt image
  11. Nitella opaca var. atrovirens (Wallman.) Wahlstedt image
  12. Nitella opaca var. attenuata H. Groves & J. Groves image
  13. Nitella opaca var. brachyclema J. Groves & Bullock-Webster image
  14. Nitella opaca var. nodosa Trabut image