Table B-24. Roadside disturbed community data for the fourth 
sampling period (6 November 1981). 
Total 
weight 
(grams ) 
Relative 
Frequency |frequency 
(percent) |(percent) 
Species 
Triplasis purpurea 
Erigeron canadensis 
var. pusillus Li7rey 
Diodia teres Delt 0.15 
Cenchrus eribuleides| Srey Loe 
Oenothera humifusa 3.4 0.61 
Ammophila 
breviligulata Bot 2.0 
Digitaria sp. 3.4 a7 
Total 
Grams per 
square 
meter 
10.7 
0.09 
0.75 
0.38 
1.2 
1.1 
lBased on forty 0.2-meter x 0.2-meter quadrats. 
Table B-25. Bulrush wetland community data for the first 
sampling period (25 May 1981).! 
| Relative Total 
Frequency | frequency weight 
Species (percent) | (percent) (grams ) 
Cyperaceae? 
Hydrocotyle 
umbellata 20.0 Wiad 0.10 
Jancus spp. 20.0 “iben 2.8 
Sagittaria falcata 20.0 7, S05) 
Lilaeopsis chinensis} 10.0 5.8 | 0.25 
Total 49.1 
lBased on ten 0.2-meter x 0.2-meter quadrats. 
Grams per 
square 
meter 
0.25 
2cyperaceae ~ 60 percent Setrpus americanus, 40 percent Cyperus 
strigosus. 
3Juneus spp. ~ 80 percent J. coreacius, 20 percent J. 
megacephalus. 
