cardamine hirsuta, cerastium holosteoides, senecio vulgaris, artemisia vulgaris, elymus repens, erigeron canadensis, polygonum aviculare, sisymbrium loeselii, sonchus oleraceus, vicia hirsuta, achillea millefolium, allium vineale, arabidopsis thaliana, berteroa incana, capsella bursa-pastoris, lamium amplexicaule, solidago canadensis, trifolium pratense