xanthium spinosum, amaranthus retroflexus, arctium minus, atriplex tatarica, carduus acanthoides, carduus nutans, cirsium vulgare, conium maculatum, cuscuta campestris, datura stramonium, delphinium consolida, erigeron canadensis, galium mollugo, onopordum acanthium, plantago major, polygonum aviculare, portulaca oleracea, salsola tragus, sisymbrium loeselii, trifolium repens