poa trivialis, agrostis stolonifera, glyceria maxima, alopecurus geniculatus, ranunculus repens, cardamine pratensis, cerastium holosteoides, elymus repens, glyceria fluitans, lolium perenne, poa annua, polygonum aviculare, stellaria media, trifolium repens, geranium dissectum, persicaria amphibia, rorippa palustris