ambrosia artemisiifolia, lactuca serriola, persicaria maculosa, chenopodium album, cyclachaena xanthiifolia, diplotaxis muralis, elymus repens, erigeron canadensis, melilotus albus, plantago major, poa angustifolia, polygonum aviculare, robinia pseudoacacia, convolvulus arvensis, erigeron annuus, lepidium latifolium, ulmus minor