agrostis stolonifera, alliaria petiolata, barbarea vulgaris, chelidonium majus, chenopodium album, echinochloa crus-galli, erigeron canadensis, fallopia convolvulus, galinsoga quadriradiata, geranium robertianum, holcus lanatus, impatiens parviflora, persicaria lapathifolia, persicaria maculosa, phalaris arundinacea, plantago lanceolata, poa annua, poa nemoralis, polygonum aviculare, reynoutria japonica, rumex obtusifolius, saponaria officinalis, sonchus arvensis, stellaria aquatica, symphytum officinale, tanacetum vulgare, urtica dioica, viola arvensis