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. Nitzschia sigmoidea (Nitzsch) W. Smith
  2. Nitzschia sigmoidea var. armoricana (Kützing) Brebisson image
  3. Nitzschia sigmoidea var. balatonis Pantocsek image
  4. Nitzschia sigmoidea var. brebissonii (Kützing) Rabenhorst image
  5. Nitzschia sigmoidea var. genuina Mayer image
  6. Nitzschia sigmoidea var. reflexa Carruthers image
  7. Nitzschia sigmoidea var. undulata Petit image