cynodon dactylon, malva pusilla, arctium lappa, atriplex tatarica, lolium perenne, oxybasis glauca, amaranthus retroflexus, chenopodium album, echinochloa crus-galli, erigeron canadensis, fallopia convolvulus, hordeum murinum, persicaria lapathifolia, poa annua, polygonum aviculare, verbena officinalis