Appendix C. Checklist of Algae from Yellowstone River and Tributaries, 

 Asterisks indicate additional taxa reported by the Public 

 Health Service (9) (*), Williams (16) (**) and the U. S. 

 Geological Survey (5) (***). 



YELLOWSTONE RIVER 



Division: Chlorophyta (Green Algae) 

 Class: Chlorophyceae 



Genera: Actinastrum hantzschii fluviatile * 

 Actinastrum sp. **, *** 

 Ankistrodesmus sp, 

 Chlamydomonas sp. 

 Chlorella sp. 



Chodatella ( Lagerheimia ) sp. * 

 Cladophora glomerata 

 Closteriopsis longissima tropica * 

 Closterium sp. 

 Cosmarium sp. 

 Cyl indrocapsa sp. 

 Enteromorpha sp. 

 Gloeocystis sp. *, ** 

 KirchnerfeTla sp. *** 

 Microspora sp. 

 Monostroma sp. 

 Mougeotia sp. 

 Oedogonium sp. 

 Oocystis sp. 

 Pediastrum sp. 

 Planktosphaeria sp. 

 Scenedesmus sp. 

 Schroederia setigera * 

 Schroederia sp. *** 

 Selenastrum sp. 

 SphaerocysTis sp. * 

 Spirogyra spp. 

 Staurastrum sp. 

 Stigeoclonium spp. 

 Tetradesmus sp. ** 

 Tetraedron sp. *** 

 Tetraspora sp. 



Tetrastrum staurogeniaeforme * 

 Ulothrix zonata 

 Ulothrix sp. 



Division: Euglenophyta (Euglenoid Algae) 

 Class: Euglenophyceae 

 Genera: Euglena sp. 

 Phacus sp. 

 Trachelomonas sp. *, ** 



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