13 34A BOULDER RIVER AT 2 MILE BRIDGE 



1334A TOTAL COUNT: 400 # OF SPECIES: 41 



1334A SWDI: 2.1786 POLLUTION INDEX: 2.92 SILTATION INDEX: 4.4 



•34A D0046 Achnanthes lanceolata Breb. ex Kutz. 

 34A D0048 Achnanthes lanceolata v. dubia Grun. 

 1334A D0060 Achnanthes lewisiana Patr. 

 1334A D0070 Achnanthes minutissima Kutz. 

 1334A D0312 Amphora perpusilla (Grun.) Grun. 

 1334A D1107 Cocconeis placentula v. euglypta (Ehr.) Cl. 

 1334A DllOB Cocconeis placentula v. lineata (Ehr.) V. H. 

 1334A D1601 Cymbella af finis Kutz. 

 1334A D1638 Cymbella minuta Hilse ex Rabh. 



1334A D1641 Cymbella minuta v. silesiaca (Bleisch ex Rabh.) Reim. 

 1334A D1657 Cymbella sinuata Greg. 



1334A D2004 Diatoma hiemale v. mesodon (Ehr.) Grun. 

 1334A D2720 Fragilaria leptostauron (Ehr.) Hust. 

 1334A D2726 Fragilaria pinnata Ehr. 

 1334A D2730 Fragilaria vaucheriae (Kutz.) Peters. 

 1334A D2950 Gomphoneis eriense (Grun.) Skv . et Meyer 

 1334A D2954 Gomphoneis eriense v. variabilis Kociolek et Stoermer 

 1334A D2951 Gomphoneis herculeana (Ehr.) Cl . 

 1334A D3067 Gomphonema clevei Fricke 

 1334A D3300 Hannaea arcus (Ehr.) Patr. 

 1334A D3700 Meridion circulare (Grev.) Ag. 

 1334A D3814 Navicula arvensis Hust. 

 1334A D3892 Navicula graciloides A. Mayer 

 1334A D3942 Navicula mutica v. cohnii (Hilse) Grun. 

 1334A D4326 Nitzschia dissipata (Kutz.) Grun. 



«4A A0020 Nitzschia dissipata v. media (Hantz.) Grun. 

 4A D4336 Nitzschia frustulum v. perminuta Grun. 

 4A D4352 Nitzschia kutzingiana Hilse 

 1334A D4368 Nitzschia paleacea (Grun.) Grun. 

 1334A D4411 Nitzschia pura Hustedt 

 1334A D4380 Nitzschia romana Grun. 

 1334A D4391 Nitzschia subtilis Grun. 

 1334A D4502 Opephora martyi Herib. 

 1334A D5100 Rhoicosphenia curvata (Kutz.) Grun. 

 1334A D5605 Stephanodiscus minutus Cl . et Moll. 

 1334A D5819 Synedra minuscula Grun. 

 1334A D5828 Synedra rumpens Kutz. 

 1334A D5840 Synedra ulna v. contracta Ostr. 

 1334A D3093 Gomphonema olivaceoides Hust. 



1334A D3094 Gomphonema olivaceoides v. densestriata Foged 

 1334A A0012 Gomphonema rhombicum Fricke in A.S. 



