agrostis stolonifera, poa trivialis, glyceria fluitans, lolium perenne, eleocharis palustris, holcus lanatus, alopecurus geniculatus, ranunculus repens, ranunculus sceleratus, stellaria media, trifolium repens, argentina anserina, geranium molle, juncus articulatus, plantago major, polygonum aviculare, rumex hydrolapathum, rumex palustris, urtica dioica, cirsium arvense, sparganium erectum