cirsium vulgare, cirsium arvense, amaranthus albus, amaranthus retroflexus, capsella bursa-pastoris, carduus acanthoides, chenopodium album, crepis setosa, echium vulgare, erigeron canadensis, eryngium campestre, lappula squarrosa, marrubium vulgare, onopordum acanthium, reseda lutea, trifolium fragiferum, urtica dioica, xanthium spinosum