atriplex calotheca, persicaria lapathifolia, lipandra polysperma, oxybasis glauca, oxybasis rubra, atriplex patula, phalaris arundinacea, poa annua, polygonum aviculare, stellaria media, tripleurospermum inodorum, urtica dioica, poa trivialis, rumex obtusifolius, sonchus oleraceus