text: chenopodium album, elymus repens, chenopodium ficifolium, matricaria chamomilla, poa annua, polygonum aviculare, solanum nigrum, capsella bursa-pastoris, matricaria discoidea, poa trivialis, stellaria media, atriplex patula, fallopia convolvulus, lipandra polysperma, lolium perenne, persicaria maculosa, cirsium arvense, fumaria officinalis, lamium purpureum, ranunculus repens