amaranthus crispus, poa annua, artemisia annua, atriplex tatarica, digitaria sanguinalis, malva neglecta, matricaria chamomilla, oxybasis glauca, polygonum aviculare, urtica urens, amaranthus deflexus, arctium minus, artemisia vulgaris, atriplex patula, capsella bursa-pastoris, convolvulus arvensis, erigeron canadensis, matricaria discoidea, oxybasis urbica, potentilla reptans, urtica dioica