eragrostis cilianensis, tribulus terrestris, portulaca oleracea, setaria verticillata, amaranthus retroflexus, convolvulus arvensis, cynodon dactylon, digitaria sanguinalis, erigeron bonariensis, erigeron canadensis, euphorbia chamaesyce, fumaria officinalis, heliotropium europaeum, kickxia commutata, lysimachia arvensis, polygonum aviculare, rumex pulcher, sonchus oleraceus