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 placentula (Ehrenberg) Kützing image
- Navicula placentula (Ehrenberg) Kützing
- Navicula placentula f. jenisseyensis (Grunow) Meister image
- Navicula placentula f. lanceolata (Grunow) Hustedt
- Navicula placentula f. latiuscula (Grunow) Meister image
- Navicula placentula f. latiuscula (Grunow) Meister ex Hustedt
- Navicula placentula f. minor Frenguelli image
- Navicula placentula f. minor Grunow
- Navicula placentula f. minuta J.B. Petersen image
- Navicula placentula f. multistriata Zimmermann image
- Navicula placentula f. nipponica Skvortzov image
- Navicula placentula f. rostrata (A. Mayer) Hustedt image
- Navicula placentula f. rostrata (Mayer) Hustedt
- Navicula placentula var. anglica (Ralfs) Grunow image
- Navicula placentula var. apiculata Hustedt image
- Navicula placentula var. genuina Mayer image
- Navicula placentula var. genuina Meister image
- Navicula placentula var. grossepunctata Pantocsek & Greguss image
- Navicula placentula var. jenisseyensis (Grunow) Meister image
- Navicula placentula var. lanceolata (Grunow) Grunow
- Navicula placentula var. latiuscula (Grunow) Meister
- Navicula placentula var. maculata Hustedt
- Navicula placentula var. major Heribaud image
- Navicula placentula var. rostrata Backman & Cleve-Euler image
- Navicula placentula var. rostrata Mayer
- Navicula placentula var. subsalsa (Grunow) Grunow image
- Navicula placentula var. tropica Zimmermann image
- Navicula placentula var. tumida -- image