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
- Synedra acus F.T. Kützing 1844 image
- Synedra acus Kützing
- Synedra acus f. angustissima (A. Grunow) Willi Krieger image
- Synedra acus f. anomala M. Peragallo image
- Synedra acus f. delicatissima (W. Smith) Willi Krieger image
- Synedra acus f. mesoleia (A. Grunow) A. Cleve-Euler image
- Synedra acus f. mesoleia (A. Grunow) O. Müller image
- Synedra acus subsp. ostenfeldii (Willi Krieger) Skabichevskii
- Synedra acus var. acula (F.T. Kützing) A. Cleve-Euler image
- Synedra acus var. angustissima (A. Grunow) H.F. Van Heurck image
- Synedra acus var. apiculata (G.L. Rabenhorst) G.L. Rabenhorst image
- Synedra acus var. aprilina - - image
- Synedra acus var. delicatissima (W. Smith) G.L. Rabenhorst image
- Synedra acus var. delicatissima (W. Smith) Rabenhorst
- Synedra acus var. elongata A. Grunow image
- Synedra acus var. fossilis A. Grunow image
- Synedra acus var. genuina Ant. Mayer image
- Synedra acus var. gracillima (G.L. Rabenhorst) G.L. Rabenhorst image
- Synedra acus var. mesolepta E.V. Østrup image
- Synedra acus var. ostenfeldii Willi Krieger
- Synedra acus var. radians (F.T. Kützing) F. Hustedt image
- Synedra acus var. tenuis (F.T. Kützing) J. Schumann image
- Synedra acus var. tenuissima (Kützing) G.L. Rabenhorst image
- Synedra acus var. varipunctata J. John
- Synedra acus var. ventricosa J.-J. Brun & J. Heribaud image