bidens frondosa, poa palustris, echinochloa crus-galli, elymus repens, argentina anserina, galium palustre, sonchus asper, calamagrostis epigejos, chenopodium album, erysimum cheiranthoides, oenanthe aquatica, persicaria lapathifolia, plantago major, potentilla norvegica, scirpus sylvaticus, tripleurospermum inodorum, erigeron canadensis, galeopsis bifida