phalaris arundinacea, echinochloa crus-galli, impatiens glandulifera, persicaria hydropiper, persicaria lapathifolia, stellaria aquatica, urtica dioica, artemisia vulgaris, bidens frondosa, lipandra polysperma, poa annua, poa palustris, poa trivialis, scrophularia nodosa, veronica anagallis-aquatica, veronica beccabunga, erysimum cheiranthoides, gnaphalium uliginosum, oxalis stricta, sagina procumbens, solanum dulcamara, thlaspi arvense