dysphania ambrosioides, amaranthus blitoides, amaranthus deflexus, amaranthus retroflexus, atriplex patula, bassia scoparia, bidens frondosa, chenopodium opulifolium, convolvulus arvensis, dysphania botrys, erigeron canadensis, heliotropium europaeum, helminthotheca echioides, hirschfeldia incana, persicaria lapathifolia, persicaria maculosa, plantago coronopus, plantago major, polygonum aviculare, populus nigra, portulaca oleracea, pulicaria arabica, rumex crispus, salsola tragus, senecio vulgaris, solanum nigrum, sonchus tenerrimus, tamarix africana, verbascum sinuatum, xanthium spinosum, xanthium strumarium