trifolium hybridum, juncus bufonius, matricaria discoidea, stellaria alsine, persicaria lapathifolia, sagina procumbens, bidens tripartita, gnaphalium uliginosum, persicaria hydropiper, plantago uliginosa, poa annua, rorippa palustris, alopecurus geniculatus, lipandra polysperma, lythrum portula, stellaria aquatica