amaranthus hybridus, ambrosia artemisiifolia, chenopodium album, digitaria sanguinalis, eragrostis cilianensis, galinsoga parviflora, portulaca oleracea, amaranthus retroflexus, capsella bursa-pastoris, convolvulus arvensis, echinochloa crus-galli, elymus repens, eragrostis minor, geranium pusillum, lolium perenne, malva sylvestris, matricaria chamomilla, medicago lupulina, persicaria lapathifolia, polygonum aviculare, stellaria media