solanum nigrum, xanthium strumarium, amaranthus retroflexus, anthemis cotula, ballota nigra, chenopodiastrum murale, galinsoga parviflora, leonurus cardiaca, malva neglecta, polygonum aviculare, sisymbrium officinale, chenopodiastrum hybridum, chenopodium album, erigeron canadensis, lepidium ruderale, persicaria lapathifolia, sinapis alba, solanum tuberosum, sonchus oleraceus, urtica urens, verbena officinalis, zea mays