arctium lappa, cynodon dactylon, arctium minus, ballota nigra, artemisia vulgaris, cichorium intybus, convolvulus arvensis, lactuca serriola, urtica dioica, amaranthus retroflexus, atriplex tatarica, carduus acanthoides, chenopodium album, cirsium vulgare, descurainia sophia, erigeron canadensis, hordeum murinum, lepidium virginicum, medicago sativa, melilotus albus, persicaria lapathifolia, plantago lanceolata, polygonum aviculare, robinia pseudoacacia, rumex pulcher, sinapis arvensis, sonchus arvensis, sonchus oleraceus, trifolium repens, tripleurospermum inodorum