poa trivialis, agrostis stolonifera, persicaria hydropiper, alopecurus geniculatus, juncus bufonius, elymus repens, glyceria fluitans, phalaris arundinacea, trifolium repens, argentina anserina, bidens cernuus, bidens tripartita, carex hirta, eleocharis palustris, hydrocotyle vulgaris, leptobryum pyriforme, myosotis scorpioides, oenanthe aquatica, oenanthe fistulosa, polygonum aviculare, ranunculus repens, ranunculus sceleratus, stellaria media, triglochin palustris, cirsium arvense, helosciadium nodiflorum, plantago major