artemisia annua, amaranthus retroflexus, atriplex tatarica, ballota nigra, chenopodium album, descurainia sophia, erigeron canadensis, fallopia convolvulus, lepidium ruderale, lolium perenne, malva pusilla, oxybasis urbica, polygonum aviculare, sisymbrium officinale, tripleurospermum inodorum, urtica dioica, xanthium spinosum, xanthium strumarium