hordeum murinum, achillea millefolium, bromus sterilis, lolium perenne, poa pratensis, anthemis arvensis, arctium lappa, artemisia vulgaris, atriplex oblongifolia, bromus tectorum, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, dactylis glomerata, elymus repens, lepidium ruderale, medicago lupulina, phleum pratense, plantago lanceolata, polygonum aviculare, setaria verticillata, sisymbrium loeselii, thlaspi arvense, trifolium pratense, trifolium repens, tripleurospermum inodorum