calamagrostis epigejos, carex melanostachya, carex praecox, elymus repens, quercus robur, ulmus laevis, aristolochia clematitis, chenopodium album, erigeron canadensis, eryngium planum, erysimum cheiranthoides, euphorbia palustris, fallopia convolvulus, lactuca serriola, poa angustifolia, polygonum patulum, rubus caesius, vicia cracca