Table B-20. Reed wetland community data for the fourth 
sampling period (6 November 1981). 
Grams per 
Square 
meter 
Relative 
frequency 
(percent) 
Frequency 
Species (percent) 
Phragmites 
communis 55.3 
Total 
lBased on ten 0.2-meter x 0.2-meter quadrats. 
Table B-21. Roadside disturbed community data for the first 
sampling period (25 May 1981).1 
Grams per 
Square 
meter 
Relative 
frequency 
(percent) 
Frequency 
(percent) 
Triplasis purpurea 
Erigeron 
canadensis Var. ; 
pustllus 52.5 69.5 43.4 
Oenothera 
humifusa 3.6 23 
Cenchrus 
tribuloides 0.01 0.01 
Total 
uw 
° 
Oo 
lBased on forty 0.2-meter x 0.2-meter quadrat. 
49 
