onopordum acanthium, sisymbrium officinale, descurainia sophia, arctium minus, bromus tectorum, capsella rubella, chenopodiastrum hybridum, chenopodium album, chenopodium opulifolium, convolvulus arvensis, cynoglossum officinale, erucastrum nasturtiifolium, fumaria officinalis, hordeum murinum, lactuca serriola, lycopsis arvensis, malva neglecta, mercurialis annua, persicaria maculosa, polygonum aviculare, urtica dioica