poa trivialis, agrostis stolonifera, alopecurus geniculatus, bidens cernuus, persicaria hydropiper, elymus repens, argentina anserina, bidens tripartita, eleocharis palustris, juncus bufonius, phalaris arundinacea, rorippa palustris, stellaria media, atriplex prostrata, bolboschoenus maritimus, catabrosa aquatica, cirsium arvense, glyceria fluitans, lolium perenne, myosotis scorpioides, persicaria maculosa, plantago major, polygonum aviculare, sparganium erectum, trifolium repens, triglochin palustris, helosciadium nodiflorum