impatiens glandulifera, phalaris arundinacea, barbarea vulgaris, bidens frondosa, impatiens parviflora, persicaria hydropiper, persicaria minor, poa palustris, stellaria aquatica, alliaria petiolata, artemisia vulgaris, lepidium campestre, poa annua, poa trivialis, rumex obtusifolius, tanacetum vulgare, urtica dioica