polygonum aviculare, cynodon dactylon, dysphania multifida, xanthium spinosum, ballota nigra, chenopodium album, chenopodium vulvaria, amaranthus retroflexus, atriplex prostrata, chenopodiastrum murale, chenopodium opulifolium, erigeron canadensis, lepidium draba, marrubium vulgare, poa annua, scolymus hispanicus