poa trivialis, agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, myosotis scorpioides, helosciadium nodiflorum, phalaris arundinacea, ranunculus repens, cerastium holosteoides, cirsium arvense, glyceria maxima, oenanthe fistulosa, ranunculus sceleratus, trifolium repens, cardamine pratensis, eleocharis palustris, glechoma hederacea, persicaria hydropiper, polygonum aviculare, rorippa amphibia, rumex conglomeratus, stellaria media