sisymbrium loeselii, malva neglecta, tripleurospermum inodorum, atriplex sagittata, chenopodium album, erigeron canadensis, ballota nigra, capsella bursa-pastoris, chaenorhinum minus, fallopia convolvulus, hordeum murinum, lactuca serriola, poa annua, polygonum aviculare, sonchus oleraceus, artemisia vulgaris, carduus acanthoides, convolvulus arvensis, medicago lupulina, poa trivialis, senecio viscosus, senecio vulgaris, trifolium hybridum