portulaca oleracea, setaria verticillata, amaranthus retroflexus, amaranthus viridis, chenopodium album, convolvulus arvensis, cynodon dactylon, cyperus rotundus, digitaria sanguinalis, echinochloa colonum, euphorbia serpens, galium aparine, sonchus oleraceus, amaranthus graecizans, diplotaxis erucoides, eragrostis barrelieri, euphorbia characias, euphorbia nutans, geranium purpureum, heliotropium europaeum, setaria pumila, solanum nigrum