poa trivialis, agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, glyceria maxima, holcus lanatus, lolium perenne, persicaria hydropiper, phalaris arundinacea, bidens cernuus, cardamine pratensis, cerastium holosteoides, glechoma hederacea, polygonum aviculare, ranunculus repens, ranunculus sceleratus, rumex conglomeratus, stellaria alsine, trifolium repens, bidens tripartita, cirsium arvense, galium palustre, helosciadium nodiflorum, myosotis scorpioides, oenanthe fistulosa, ranunculus acris, stellaria media