erigeron canadensis, lactuca serriola, echinochloa crus-galli, chenopodium album, digitaria sanguinalis, elymus repens, lipandra polysperma, capsella bursa-pastoris, cerastium pumilum, dactylis glomerata, fallopia convolvulus, festuca rubra, lolium perenne, polygonum aviculare, amaranthus retroflexus, atriplex patula, geranium sibiricum, lotus corniculatus, poa annua, rumex obtusifolius, achillea millefolium, oxalis stricta