carduus acanthoides, polygonum aviculare, amaranthus hybridus, amaranthus retroflexus, arctium minus, artemisia annua, atriplex tatarica, chenopodium album, cirsium vulgare, crepis foetida, cynodon dactylon, echinochloa crus-galli, erigeron canadensis, persicaria lapathifolia, persicaria maculosa, veronica polita, xanthium spinosum