mercurialis annua, atriplex patula, capsella bursa-pastoris, galinsoga parviflora, geranium robertianum, geum urbanum, persicaria maculosa, ranunculus repens, raphanus raphanistrum, senecio vulgaris, sisymbrium officinale, solanum nigrum, stellaria media, tripleurospermum inodorum, urtica urens, chelidonium majus, lolium perenne