rumex acetosella, tripleurospermum inodorum, apera spica-venti, erigeron canadensis, senecio viscosus, sisymbrium altissimum, trifolium arvense, agrostis capillaris, chenopodium album, cirsium arvense, elymus repens, medicago lupulina, papaver dubium, poa annua, vicia sativa, viola arvensis, tanacetum vulgare