cyclachaena xanthiifolia, artemisia santonicum, elymus repens, artemisia annua, urtica dioica, arctium tomentosum, capsella bursa-pastoris, chenopodium album, dactylis glomerata, daucus carota, galinsoga parviflora, geranium pusillum, lactuca serriola, medicago lupulina, poa trivialis, polygonum aviculare, sisymbrium officinale, veronica filiformis