portulaca oleracea, amaranthus albus, convolvulus arvensis, digitaria sanguinalis, echinochloa crus-galli, elymus repens, eragrostis cilianensis, hibiscus trionum, setaria pumila, solanum nigrum, chenopodium album, capsella bursa-pastoris, cirsium arvense, crepis tectorum, heliotropium europaeum, reseda lutea, scleranthus annuus