echinochloa crus-galli, amaranthus retroflexus, spergula arvensis, zea mays, achillea millefolium, agrostis capillaris, cirsium arvense, equisetum arvense, galeopsis tetrahit, galinsoga parviflora, galinsoga quadriradiata, persicaria lapathifolia, raphanus raphanistrum, rumex acetosella, solanum nigrum, sonchus arvensis