heliotropium europaeum, pulicaria arabica, xanthium spinosum, amaranthus albus, amaranthus blitum, amaranthus deflexus, amaranthus retroflexus, chenopodium opulifolium, convolvulus arvensis, dysphania ambrosioides, dysphania botrys, erigeron canadensis, paspalum distichum, persicaria lapathifolia, persicaria maculosa, plantago major, polygonum aviculare, portulaca oleracea, setaria verticillata, sonchus tenerrimus, tamarix africana