stellaria media, chenopodium album, impatiens parviflora, erigeron annuus, erigeron canadensis, lactuca serriola, triticum aestivum, glechoma hederacea, achillea millefolium, capsella bursa-pastoris, fallopia dumetorum, lolium perenne, oxalis stricta, plantago major, sisymbrium officinale, trifolium pratense