hordeum murinum, lolium perenne, lepidium ruderale, bromus sterilis, elymus repens, achillea millefolium, artemisia vulgaris, atriplex tatarica, ballota nigra, berteroa incana, bromus tectorum, capsella bursa-pastoris, cirsium arvense, erigeron canadensis, galinsoga parviflora, lamium album, plantago major, poa annua, poa pratensis, polygonum aviculare, sisymbrium officinale, tripleurospermum inodorum