agrostis stolonifera, poa trivialis, alopecurus geniculatus, glyceria fluitans, ranunculus repens, stellaria alsine, oenanthe fistulosa, sagina procumbens, ranunculus sceleratus, cardamine pratensis, catabrosa aquatica, ficaria verna, helosciadium nodiflorum, hydrocotyle vulgaris, juncus articulatus, myosotis scorpioides, plantago major, stellaria media, trifolium repens, cirsium arvense, galium palustre