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
- Navicula dicephala Ehrenberg image
- Navicula dicephala f. australis É. Manguin
- Navicula dicephala f. australis Manguin image
- Navicula dicephala f. capitata Manguin image
- Navicula dicephala f. cuneata M. Møller ex Foged image
- Navicula dicephala f. cuneata Max Møller ex Foged
- Navicula dicephala f. intermedia Lauby image
- Navicula dicephala f. pygmaea Mayer image
- Navicula dicephala var. chilensis Hustedt image
- Navicula dicephala var. constricta Cleve-Euler image
- Navicula dicephala var. constricta Frenguelli image
- Navicula dicephala var. constricta Frenguelli {illegitimate}
- Navicula dicephala var. elginensis (Gregory) Cleve image
- Navicula dicephala var. elliptica Voigt
- Navicula dicephala var. genuina Mayer image
- Navicula dicephala var. genuina Mayer image
- Navicula dicephala var. lata M. Peragallo
- Navicula dicephala var. neglecta (Krasske) Hustedt image
- Navicula dicephala var. neglecta Hustedt
- Navicula dicephala var. rostrata Ant. Mayer
- Navicula dicephala var. sannicoensis J.M. Guerrero & A.A. Vouilloud
- Navicula dicephala var. subcapitata Grunow image
- Navicula dicephala var. undulata Østrup
- Navicula dicephala var. undulata Østrup image