Table B-28. Bulrush wetland community data for the fourth 
sampling period (6 November 1981).1 
Relative 
frequency 
(percent) 
Grams per 
square 
meter 
Frequency 
(percent) 
Species 
Cyperus spp. 
Boltonia 
asteroides 53.1 
Juncus coriaceus MGS) 
Spartina 
alterniflora 183.0 
Lythrum lineare 0.25 
Pluchea 
purpurascens 0.28 
Hydrocotyle 
umbellata 0.18 
Helenium 
autumnalis 39.3 
Sium suave Sas 
Eryngium 
aquaticum 8.2 
Lobelia elongata oil 
Total 
IBased on ten 0.2-meter x 0.2-meter quadrats. 
Table B-29. Sandgrass-buttonweed community data for the first 
sampling period (25 May 1981).! 
Relative 
frequency 
(percent) 
Grams per 
square 
meter 
Frequency 
(percent) 
Species 
Erigeron 
canadensis var. 
pusillus 44.2 
Panicum amarum 49.6 
Uniola paniculata 0.44 
Heterotheca 
gossypina oS 
Opuntia compressa 0.55 
Ammophila 
breviligulata 
Total 
lBased on fifty-five 0.2-meter x 0.2-meter quadrats. 
53 
