chenopodium album, amaranthus retroflexus, convolvulus arvensis, cirsium arvense, lotus corniculatus, persicaria lapathifolia, setaria viridis, artemisia absinthium, capsella bursa-pastoris, echium vulgare, erigeron canadensis, erysimum hieraciifolium, euphorbia helioscopia, galium aparine, tripleurospermum inodorum