Table D-3 



Importance Values for Species Occurring at Site 3. 

 Arranged by Zone and Vegetation Layer 



113 



Species 



Percent Percent Percent 



Relative Relative Relative 



Frequency Density Dominance 



Zone 2 



Importance 

 Value 



Trees 



Salix nigra 



Cephalanthus occidental is 

 Taxodium distichum 

 Planera aquatica 



76.9 



94.6 



97.1 



268.6 



7.7 



3.6 



1.5 



12.8 



7.7 



0.9 



1.0 



9.6 



7.7 



0.9 



0.4 



9.0 



100.0 



100.0 



100.0 



300.0 



Saplings and Shrubs 

 Salix nigra 

 Planera aquatica 

 Forestiera acuminata 

 Cephalanthus occidentalis 

 Taxodium distichum 



62.6 



88.3 



93.2 



244.1 



18.8 



3.2 



2.2 



24.2 



6.2 



6.5 



3.9 



16.6 



6.2 



1.3 



0.5 



8.0 



6.2 



0.7 



0.2 



7.1 



100.0 



100.0 



100.0 



300.0 



Woody Vines 

 Ipomoea wrightii 

 Ipomoea lacunosa 

 Cardiospermum halicacabum 



46.1 



75.5 



73.6 



195.2 



30.8 



15.6 



17.8 



64.2 



23.1 



8.9 



8.6 



40.6 



100.0 



100.0 



100.0 



300.0 



Herbs and Woody Seedlings 

 Forestiera acuminata 

 Ipomoea wrightii 

 Cardiospermum halicacabum 

 Boehmeria cylindrica 

 Aster simplex 

 Cyperus erythrorhizos 

 Amaranthus rudis 

 Planera aquatica 

 Acalypha rhomboidea 

 Ricciocarpus natans 

 Cephalanthus occidentalis 

 Camps is r ad leans 

 Paspalum fluitans 

 Rorippa islandica 

 Ipomoea lacunosa 

 Sesbania exaltata 

 Melothria pendula 

 Diodia virginiana 

 Vitis palmata 

 Polygonum hydropiperoides 



6.7 

 6.0 

 5.3 

 4.0 

 2.0 

 2.7 



2.0 

 0.7 

 1.3 



9.1 



29.0 



7.2 



22.5 



1.5 



18.2 



7.5 



16.8 



5.5 



12.8 



6.0 



11.3 



6.0 



11.3 



2.6 



9.3 



2.6 



8.6 



2.1 



7.4 



1.5 



5.5 



3.5 



5.5 



2.4 



5.1 



1.3 



4.6 



1.9 



3.2 



0.8 



2.8 



0.8 



2.8 



0.8 



2.8 



1.6 



2.3 



0.5 



1.8 



