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
- Gomphonema gracile C.G. Ehrenberg image
- Gomphonema gracile f. affine_('affines') Manguin
- Gomphonema gracile f. major H.F. Van Heurck image
- Gomphonema gracile f. parvum_('parva') H.F. Van Heurck image
- Gomphonema gracile var. auritum (A.K.H. Braun) H.F. Van Heurck image
- Gomphonema gracile var. clevei Woodhead & Tweed {invalid}
- Gomphonema gracile var. crassum_('crassa') Pandey image
- Gomphonema gracile var. cymbelloides A. Grunow image
- Gomphonema gracile var. dichotomum (F.T. Kützing) H.F. Van Heurck image
- Gomphonema gracile var. frickei H.P. Gandhi image
- Gomphonema gracile var. genuinum Ant. Mayer image
- Gomphonema gracile var. genuinum_('genuina') Ant. Mayer image
- Gomphonema gracile var. gracillimum J. Schumann image
- Gomphonema gracile var. intricatiforme_('intricatiformis') Ant. Mayer
- Gomphonema gracile var. lanceolatum - - image
- Gomphonema gracile var. longiceps C.G. Ehrenberg image
- Gomphonema gracile var. major (A. Grunow) P.T. Cleve image
- Gomphonema gracile var. naviculaceum_('naviculacea') P.T. Cleve image
- Gomphonema gracile var. naviculoides (W. Smith) A. Grunow image
- Gomphonema gracile var. naviculoides E.V. Østrup image
- Gomphonema gracile var. stauroneiforme_('stauroneiformis') J. Schumann image
- Gomphonema gracile var. subcapitatum_('subcapitata') H.P. Gandhi image
- Gomphonema graciledictum E. Reichardt