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
- Chaetoceros didymus Ehrenberg image
- Chaetoceros didymus f. adriaticus_('adriatica') B. Schussnig
- Chaetoceros didymus f. aestiva H.H. Gran image
- Chaetoceros didymus f. autumnalis H.H. Gran image
- Chaetoceros didymus f. genuina O.W. Paulsen image
- Chaetoceros didymus f. rectus Proshkina-Lavrenko
- Chaetoceros didymus f. singularis H. Takano image
- Chaetoceros didymus var. aggregatus L.A. Mangin image
- Chaetoceros didymus var. heterosetoides R. Subrahmanyan image
- Chaetoceros didymus var. hiemalis P.T. Cleve image
- Chaetoceros didymus var. longicruris P.T. Cleve image
- Chaetoceros didymus var. praelongus_('praelongum') E.J. Lemmermann image
- Chaetoceros didymus var. protuberans (H.S. Lauder) H.H. Gran & K. Yendo image