Table B-30. Sandgrass-buttonweed community data for the second 
sampling period (20 July 1981). 
Species 
Erigeron 
canadensis var. 
pusillus 
Panicum amarum 
Eragrostis 
elliottii 
Uniola paniculata 
Heterotheca 
gossypina 
Total 
| Relative 
| frequency 
(percent) 
Frequency 
(percent) 
Grams per 
square 
meter 
89.7 
69.3 
0.73 
0.91 
0.09 
| 160.7 
lBased on fifty-five 
0.2-meter x 0.2-meter quadrats. 
Table B-31. Sandgrass-buttonweed community data for the third 
sampling period (12 September 1981).1 
Species 
Panicum amarum 
Evineron 
canadensis VaT+ 
pusillus 
Triplasis purpurea 
Eragrostis 
elliottii 
Uniola paniculata 
Total 
lBased on fifty-five 
Relative 
frequency 
(percent) 
Frequency 
(percent ) 
0.2-meter x 0.2-meter quadrats. 
54 
Grams per 
square 
meter 
63.3 
