atriplex calotheca, atriplex sagittata, sisymbrium altissimum, agrostis gigantea, chenopodium album, cirsium vulgare, descurainia sophia, galium palustre, persicaria lapathifolia, polygonum aviculare, tussilago farfara, arabidopsis arenosa, carex hirta, erigeron canadensis, lactuca serriola, melilotus albus, oenanthe aquatica, sinapis arvensis