hordeum murinum, lolium perenne, capsella bursa-pastoris, poa pratensis, polygonum aviculare, atriplex patula, convolvulus arvensis, geranium sibiricum, glechoma hederacea, lactuca serriola, lamium album, plantago major, ranunculus repens, solidago canadensis, trifolium pratense, trifolium repens, viola odorata