ambrosia artemisiifolia, bassia scoparia, echinochloa crus-galli, rubus caesius, artemisia vulgaris, ballota nigra, chenopodiastrum murale, chenopodium album, cirsium arvense, convolvulus arvensis, erigeron canadensis, lactuca serriola, lotus corniculatus, plantago major, setaria verticillata, sorghum halepense, symphyotrichum tradescantii, xanthium orientale