solidago canadensis, erigeron annuus, solidago gigantea, carduus acanthoides, poa compressa, poa trivialis, calamagrostis epigejos, poa palustris, achillea millefolium, arctium lappa, cerastium holosteoides, elymus repens, vicia tetrasperma, artemisia vulgaris, daucus carota, stellaria aquatica, urtica dioica, cirsium arvense