Fall 2006

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Bacillariophyta
Chlorophyta
Chrysophyta
Cyanophyta
Pyrrophyta
Rotifera
Arthropoda

Green Algae Gallery (Chlorophyta)

bulletlargest and most diverse group of freshwater algae
bulletgrass green chloroplasts contain chlorophyll pigment
bulletDesmids: 2 symmetrical semi-cells; nucleus is at isthmus
Closterium spp.

-a desmid; cycle or bow shaped; 100 - 500 Ám in length

Cosmarium spp.

-a desmid; 20-110 Ám long

Pediastrum spp.

-a free floating Green alga.  It is actually a colony of 6-128 cells; peripheral cells have one or two distinctive processes

  Staurastrum spp.

Left : side view

Right : end view

Ulothrix spp.

-filamentous colony; chloroplasts are parietal

 

 

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This page was last modified September 11, 2006
joneswi@indiana.edu