| 
                
                    Potamogeton  cayugensis
                
             | Potamogeton cayugensis (Wiegand) Hagström, Kongl. Svenska Vetenskapsakad. Handl. 55(5): 140. 1916. | Potamogeton nuttallii Chamisso & Schlechtendal, var. cayugensis Wiegand 1900. |   | 
			
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                    Potamogeton  claytonii
                
             | Potamogeton claytonii Tuckerman, Amer. J. Sci. Arts 45: 38. 1843. |   |   | 
			
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                    Potamogeton  epihydrus  subsp. nuttallii
                
             | Potamogeton epihydrus Rafinesque, subsp. nuttallii (Chamisso & Schlechtendal) Calder & R. L. Taylor, Canad. J. Bot. 43: 1388. 1965. | Potamogeton nuttallii Chamisso & Schlechtendal 1827. |   | 
			
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                    Potamogeton  epihydrus  var. cayugensis
                
             | Potamogeton epihydrus Rafinesque, var. cayugensis (Wiegand) A. Bennett, J. Bot. 42: 69. 1904. | Potamogeton nuttallii Chamisso & Schlechtendal, var. cayugensis Wiegand 1900. |   | 
			
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                    Potamogeton  epihydrus  var. ramosus
                
             | Potamogeton epihydrus Rafinesque, var. ramosus (Peck) House, Bull. New York State Mus. Nat. Hist. 254: 52. 1924. | Potamogeton nuttallii Chamisso & Schlechtendal, var. ramosus Peck 1894. |   | 
			
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                    Potamogeton  epihydrus  var. typicus
                
             | Potamogeton epihydrus Rafinesque, var. typicus Fernald, Mem. Gray Herb. 3: 114. 1932, nom. inadmiss. | Potamogeton epihydrus Rafinesque 1808.	  |   | 
			
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                    Potamogeton  nuttallii
                
             | Potamogeton nuttallii Chamisso & Schlechtendal, Linnaea 2: 226, t. 6(25). 1827. |   |   | 
			
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                    Potamogeton  nuttallii  var. cayugensis
                
             | Potamogeton nuttallii Chamisso & Schlechtendal, var. cayugensis Wiegand, Rhodora 2: 102. 1900. |   | NEW YORK: | 
			
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                    Potamogeton  nuttallii  var. ramosus
                
             | Potamogeton nuttallii Chamisso & Schlechtendal, var. ramosus Peck, Rep. (Annual) Regents Univ. State New York New York State Mus. 47: 162. 1894. |   | NEW YORK | 
			
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                    Potamogeton  pensylvanicum
                
             | Potamogeton pensylvanicum Willdenow ex Chamisso & Schlechtendal, Linnaea 2: 227. 1827. |   | PENNSYLVANIA | 
			
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                    Potamogeton  pumilus
                
             | Potamogeton pumilus Wolfgang ex Schultes & Schultes f., in Schultes, Mant. 3: 354. 1827. |   |   | 
			
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                    Potamogeton epihydrus var. nuttallii
                
             | Potamogeton epihydrus Rafinesque, var. nuttallii (Chamisso & Schlechtendal) Fernald, Mem. Gray Herb. 3: 115. 1932. | Potamogeton nuttallii Chamisso & Schlechtendal 1827. |   |