stellaria media, polygonum aviculare, urtica dioica, achillea millefolium, capsella bursa-pastoris, chelidonium majus, erigeron canadensis, lolium perenne, oxyrrhynchium hians, poa compressa, sonchus oleraceus, tortula acaulon, artemisia vulgaris, bromus sterilis, daucus carota, lactuca serriola, plantago major