agrostis stolonifera, phalaris arundinacea, alopecurus geniculatus, persicaria hydropiper, elymus repens, lolium perenne, ranunculus sceleratus, catabrosa aquatica, holcus lanatus, leptobryum pyriforme, ranunculus repens, ranunculus sardous, argentina anserina, capsella bursa-pastoris, glyceria fluitans, juncus bufonius, polygonum aviculare, ranunculus acris, stellaria media