Skip to Main Content

Welcome to the Diatom Image Database! The Periphyton Group at Florida International University created and maintains the Diatom Image Database, which includes over 980 diatom taxa found in the greater Everglades region of south Florida. Please send questions or comments about the Diatom Image Database to Franco Tobias .

Search the Diatom Image Database

View a list of all species

You can also click on one of labeled areas on the map to browse by location.
Map of south Florida Loxahatchee (LOX) WCA 2A WCA 3A Biscayne Bay Shark River Slough (SRS) Taylor Slough (TS) Florida Bay Everglades National Park (ENP) Everglades National Park (ENP)

Fragilaria ulna 01


Authority:
Lange-Bertalot
Year:
1980
References:
Schmidt, a. (1874-1959). Atlas der Diatomaceen-Kunde: Band I-III. O. R. Reisland, Leipzig. pp. 151-153 [fig.159a]
Synonyms:
Bacillaria ulna Nitzsch 1817; Synedra ulna (Nitzsch) Ehrenberg 1832
Description:
Valve features are as in Fragilaria ulna; valve is linear, with bluntly rounded apices
Notes:
length is much longer than as described
Projects:
  • Transect Project


  • Sample localities:
  • Shark River Slough (SRS)