Table 2. 
CERC Field Research Facility floristics list-Continued. 
Family and Species 
Polygonaceae 
Polygonum hydropiperotdes var. 
opelousanum (Riddell ex. Small) 
Stone 
P. pensylvantcum L. 
P. sagtttatum L. 
*Rumex crispts L. 
Pontederiaceae 
Pontederta cordata L. 
Primulaceae © 
Samolus parvtflorus Raf. 
Rosaceae 
Prunus serottina Ehrhart 
Rubus betultfoltus Small 
Rubiaceae 
Diodia teres Walter 
D. virgintana L. 
*Galiun hispidulwn Michaux 
*Oldenlandia bosctt (DC.) Chapman 
*Richardia scabra L. 
Rutaceae 
Zanthoxylun elava-hereulis L. 
Salicaceae 
* Populus alba L. 
Salix nigra Marshall 
Scrophulariaceae 
Agalints purpurea (L.) Pennell 
*Limosella subulata Ives 
Linaria canadensts (L.) Dumont 
Verbascum thapsus L. 
Solanaceae 
Physalis viscosa ssp. maritima 
(M. A. Curtis) Waterfall 
* Solanum anertcanum Miller 
Urticaceae 
Boehmerta cylindrica (L.) Swartz 
Valerianaceae 
* Valeritanella radiata (L.) Dufr. 
Verbenaceae 
Calltearpa americana L. 
*Lippta lanceolata Michaux 
Vitaceae 
Parthenoctssus quinquefolta 
(L.) Planchon 
Vitts aestivalis var. aesttvalis 
Michaux 
V. rotundifolta Michaux 
Xyridaceae 
Xyrts juptcat Richard 
Common Name 
Knotweed 
Knotweed 
Tearthumb 
Yellow dock 
Pickerelweed 
Water pimpernel 
Black cherry 
Blackberry 
Buttonweed 
But tonweed 
Bedstraw 
Hercules club 
White popular, 
silver popular 
Black willow 
Gerardia 
Mudwort 
Toad flax 
Mullein 
Ground cherry 
American nightshade 
False nettle 
Corn salad 
Beauty-berry, 
French mulberry 
Fog-fruit 
Virginia creeper 
Summer grape 
Muscadine 
Yellow-eyed grass 
* Species not found in Levy (1976) Study. 
17 
