poa palustris, agrostis stolonifera, amaranthus retroflexus, artemisia vulgaris, persicaria hydropiper, calamagrostis arundinacea, elymus repens, epilobium tetragonum, fallopia dumetorum, galinsoga quadriradiata, galium aparine, melilotus albus, persicaria lapathifolia, poa annua, stellaria aquatica, stellaria media, symphytum officinale