artemisia vulgaris, cyclachaena xanthiifolia, elymus repens, lolium perenne, tripleurospermum inodorum, amaranthus retroflexus, arctium tomentosum, chenopodium album, galinsoga parviflora, sisymbrium officinale, solanum nigrum, arctium minus, ballota nigra, carduus acanthoides, cichorium intybus, polygonum aviculare, sambucus nigra, sonchus oleraceus, echinops sphaerocephalus, persicaria maculosa