Physical Limnology        
The Nature of Water* Origin of Lakes* Lake Morphometry* Heat in Lakes  
         
Algal Groups        
Cyanophyta Chrysophyta Bacillariophyta Euglenophyta Pyrrhophyta
Cryptophyta Rhodophyta      
         
Animal Groups        
Porifera Cnideria Gastrotricha Tardigrada Rotifera
Nematoda Nematomorpha Bryozoa Annelids Mollusca
Insecta Misc. Arthropoda Crustacea Platyhelminthes  
Plankton Fishes of PA      

* indicates 2009 version