polygonum aviculare, ambrosia artemisiifolia, potentilla argentea, amaranthus retroflexus, atriplex sagittata, ballota nigra, capsella bursa-pastoris, chenopodium album, cichorium intybus, cyclachaena xanthiifolia, galium album, lactuca serriola, medicago falcata, prunus domestica, sonchus oleraceus, tanacetum vulgare, trifolium medium