amaranthus retroflexus, chenopodium album, convolvulus arvensis, digitaria sanguinalis, echinochloa crus-galli, elymus repens, galium aparine, persicaria lapathifolia, amaranthus powellii, artemisia vulgaris, carex hirta, cirsium arvense, digitaria ischaemum, erigeron canadensis, galeopsis tetrahit, myosotis arvensis, ranunculus repens, tripleurospermum inodorum, pastinaca sativa