descurainia sophia, tripleurospermum inodorum, capsella bursa-pastoris, chenopodium album, poa annua, sisymbrium loeselii, apera spica-venti, artemisia vulgaris, bromus tectorum, polygonum aviculare, sisymbrium altissimum, ballota nigra, carduus acanthoides, erysimum cheiranthoides, lactuca serriola, lepidium densiflorum, tanacetum vulgare