agrostis stolonifera, mentha pulegium, pulicaria vulgaris, cyperus michelianus, lolium perenne, plantago major, trifolium fragiferum, argentina anserina, cynodon dactylon, cyperus fuscus, echinochloa crus-galli, eleocharis palustris, elymus repens, erigeron canadensis, gnaphalium uliginosum, heliotropium supinum, inula britannica, matricaria chamomilla, medicago lupulina, persicaria maculosa, plantago lanceolata, poa annua, polygonum aviculare, potentilla reptans, puccinellia distans, ranunculus repens, rorippa sylvestris, trifolium hybridum, verbena officinalis, xanthium strumarium