echinochloa crus-galli, persicaria lapathifolia, chenopodium album, persicaria maculosa, solanum nigrum, amaranthus retroflexus, brassica nigra, capsella bursa-pastoris, galinsoga parviflora, lactuca serriola, poa annua, polygonum aviculare, ranunculus repens, senecio vulgaris, setaria viridis, sisymbrium officinale, tripleurospermum maritimum, elymus repens, erigeron canadensis, fallopia convolvulus, mercurialis annua, sonchus oleraceus, urtica urens