Fragilaria





		Genus: Fragilaria\| Diatom Species: Fragilaria crotonensis, collected in Pinto Lake, California Order: Fragilariales Family: Fragilariaceae Description: Cell frustules swollen at the center. Cells are joined at center, forming ribbon-like colonies. Cell Size: length 40-170um, width 2-5um Distribution: Fragilaria is an important component of the spring bloom in freshwater lakes, particularly in eutrophic conditions. Blooms often decline when the lake becomes stratified.

This Phytoplankton Identification page is affiliated with CeNCOOS and HABMAP, and is maintained by the Kudela Lab at the University of California Santa Cruz. Details about site history, funding, and sources of information and images can be found here.