poa trivialis, agrostis stolonifera, alopecurus geniculatus, glyceria maxima, ranunculus repens, cardamine pratensis, glechoma hederacea, glyceria fluitans, carex hirta, lolium perenne, ranunculus sceleratus, triglochin palustris, veronica catenata, argentina anserina, azolla filiculoides, cirsium arvense, galium palustre, juncus articulatus, juncus bufonius, trifolium repens, plantago uliginosa, rumex palustris