polygonum aviculare, bassia scoparia, atriplex oblongifolia, atriplex sagittata, atriplex tatarica, erigeron canadensis, lipandra polysperma, malva neglecta, medicago lupulina, plantago major, setaria pumila, sisymbrium orientale, trifolium pratense, trifolium repens, tripleurospermum inodorum, ballota nigra, chenopodium album, cirsium arvense, plantago media