agrostis stolonifera, alliaria petiolata, amaranthus retroflexus, artemisia vulgaris, barbarea vulgaris, fallopia convolvulus, galinsoga quadriradiata, lactuca serriola, medicago sativa, persicaria lapathifolia, phalaris arundinacea, plantago lanceolata, polygonum aviculare, rumex obtusifolius, sonchus asper, stellaria aquatica, trifolium dubium, urtica dioica