cirsium arvense, polygonum aviculare, xanthium strumarium, convolvulus arvensis, glycyrrhiza glabra, potentilla reptans, sonchus arvensis, arctium tomentosum, bidens tripartita, bromus inermis, cannabis sativa, carex melanostachya, cuscuta campestris, cyclachaena xanthiifolia, delphinium consolida, erigeron canadensis, euphorbia tommasiniana, gratiola officinalis, inula britannica, lactuca serriola, lactuca tatarica, onopordum acanthium, plantago major, populus nigra, setaria pumila