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 tuscula Ehrenberg
- Navicula tuscula f. angulata Hustedt
- Navicula tuscula f. intermedia Kisselev
- Navicula tuscula f. longerostrata Ant. Mayer
- Navicula tuscula f. minor Hustedt image
- Navicula tuscula f. minor Hustedt {invalid}
- Navicula tuscula f. minor Simonsen image
- Navicula tuscula f. obtusa (Hustedt) Hustedt
- Navicula tuscula f. rostrata (Hustedt) Hustedt
- Navicula tuscula f. rostrata Hustedt image
- Navicula tuscula var. arata 'Grunow' image
- Navicula tuscula var. arata Grunow image
- Navicula tuscula var. dense-punctata Cleve-Euler image
- Navicula tuscula var. densistriata Skvortzov image
- Navicula tuscula var. media Jurilj image
- Navicula tuscula var. obtusa Hustedt
- Navicula tuscula var. rostrata Hustedt
- Navicula tuscula var. schinzii Limanowska
- Navicula tuscula var. stroesei Østrup image
- Navicula tuscula var. stroesei_(`strösei') Østrup