YEGEN DRAIN (cont.) 



Division: Chrysophyta (Yellow-green Algae) 

 Class: Bacillariophyceae (Diatoms) 



Division: Cyanophyta (Blue-green Algae) 

 Class: Myxophyceae 



Genera: Oscillatoria sp. 



BIGHORN RIVER^ 



Division: Chlorophyta (Green Algae) 

 Class: Chlorophyceae 



Genera: Actinastrum hantzschii fluviatile * 

 Chlamydonomas sp. * 

 Cladophora qlomerata 

 Closterium sp. 

 Cosmarium sp. * 

 Qedogonium sp. 

 Palmella sp. 

 Pediastrum sp. 

 Scenedesmus dimorphus * 

 Scenedesmus sp. *** 

 Schroederia setigera * 

 Spirogyra sp. 

 Staurastrum sp. 

 Stigeoclonium sp. 

 Ulothrix sp. 



Division: Euglenophyta (Euglenoid Algae) 

 Class: Euglenophyceae 



Genera: Euglena acus * 



Trachelomonas sp. *, *** 



Division: Chrysophyta (Yellow-green Algae) 

 Class: Bacillariophyceae (Diatoms) 



Division: Pyrrophyta (Golden-brown Algae) 

 Class: Dinophyceae 



Genera: Ceratium ^irudinella * 



Division: Cyanophyta (Blue-green Algae) 

 Class: Myxophyceae 



Genera: Coelosphaerium sp. * 

 Gomphosphaeria sp. * 

 Oscillatoria sp. 

 Phormidium sp. 

 Spirulina sp. 



^Soltero (11) or. Wright and Soltero (17) may be consulted for the 

 algae of Yellowtail Reservoir. 



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