bassia scoparia, atriplex tatarica, polygonum aviculare, amaranthus powellii, artemisia vulgaris, atriplex sagittata, ballota nigra, elymus repens, hordeum murinum, lactuca serriola, setaria viridis, sisymbrium loeselii, tripleurospermum inodorum, echinochloa crus-galli, erigeron canadensis, tanacetum vulgare