339 



Linitiii virginianuin 



Lithospenmun giuelini (scarce) 



Lobelia cardinolis 



Lycopiis mnevicanus 



Paniciun zirgatimi 



Piniis strobiis 



Pinus laricio 



Pinus silvestris 



Rhus toxicodendron 



Salix Candida 



Salix glancopJiylla 



Salix syrticola 



Scleria triglomerata 



Spartina michauxiana 



Alisma plantago-aquofica 



Bettda pumila 



Juncns balticiis littoraUs 



Juncus canadensis 



Juncns torreyi* 



Osmunda regalis 



Oxyp lis rigidio r 



Parnassia caroUniana 



Polygonum hydropiperoides 



Potentilla anserina 



Potentilla fruticosa 



Rynchospora capillacea levisefa 



Scirpus aniericaniis 



Scirpus atroznrens 



Scirpus lineatus 



Solidago nemoralis (scarce) 



Steironema quadriflormn 



Relic species remaining after the removal of oak groves 

 Anemone cylindrica Ccanothns aniericaniis 



Heracleum lanatuni Monarda mollis 



Pediddaris canadensis Podophyllum pcltatuni 



Prunella vulgaris Pteris aquilina 



Smilacina stellata Sniilax ecirrhata 



Invading species of the thicket associations 



Cirsium muticum Cornus stolonifera 



Populus deltoides Rhus hirta 



Populus tremidoides Salix cor data 



Sambucus canadensis Salix discolor 



Spiraea salici folia Salix pedicellaris 

 Salix spp. 



Invading species of the woods 

 Quercns velutina Sanicula marilandica 



Carya ovata (a few seedlings) Gcuni canadcnse 

 Vitis zndpina Agrinionia gryposcpala 



Species of accidental occurrence 

 Ambrosia arteniisiae folia Bronius tecforum 



Convolvulus sepluni Salsola kali tcnuifolia 



Trifolium repens 



*The two species marked with an asterisk also play the role of invaders where 

 the water-table is being lowered beyond the requirements of the Liatris spicata 

 prairie. 



