agrostis stolonifera, eleocharis palustris, glyceria fluitans, alopecurus geniculatus, holcus lanatus, poa trivialis, cotula coronopifolia, persicaria maculosa, ranunculus sceleratus, rumex palustris, juncus effusus, rorippa palustris, bidens tripartita, butomus umbellatus, polygonum aviculare, typha angustifolia