Table 4. - Per cent of .use, per cent of abundance and Index rat- 

 ing of aquatic plants at Lake Chautauqua and Clear Lake, 1958. 



Plant 



Per Cent Per Cent Index 

 of Use of Abundance Rating 



Coontail (Ceratopliylluin demersum) 



23.74 



Lon£leaf pondweed ( PotaiTiOgeton americanus )16. 14 

 Marsh smartwoed ( Pol;^ gonuin M ulilenbergii ) 14.21 



Iv-itgrasses ( Gyperus spp. ) 12.80 



Duck potato ( Sagittar ia la tlfolia ) 6.59 



Buttonbush ( Ceplialanthus occldenta lis ) 5.80 



Sago pondweed ( Pota mo geton p ectinatus ) 5.03 



Rice cut-grass (Lee rsia oryzoides ) 2.54 

 oiTiartweeds ( Polygonum spp . )•::--:;• ■ 1.53 



River bulrush (Scl rpus fluviatilis) 1.27 



uiant burreed ( Sparganium eurycarpum) ' 0.95 



'.Vater hemp ( Acnida tuberculata ) 0.07 



3pike rush ( Eleocharls spp.) 0.04 



liushy pondweed ( ITaias guadalupensis ) 0.01 



'^t: er native foods (total of 54) 15.63 



27.91 

 52.01 



9.40 

 trace 



2.01 



abundant 



20.55 



0.00-;;- 

 trace 



5.62 

 trace 



0.00-;;- 



2.50 

 trace 



0.85 

 0.50 

 1.51 

 mediujn 

 5.18 



low 

 0.15 

 high 

 high 

 0.23 

 medium 



low 

 0.02 



low 



"l\[one recorded for tLe area 

 '""""Other than M'ii:Llenbergii . 



No figure given because of difficulty of measurement. 



