amaranthus retroflexus, stellaria media, ambrosia artemisiifolia, elymus repens, erigeron canadensis, geum urbanum, plantago major, achillea collina, chenopodium album, convolvulus arvensis, crepis tectorum, diplotaxis muralis, lactuca serriola, lactuca tatarica, linaria vulgaris, polygonum aviculare, trifolium pratense, ulmus minor