poa trivialis, alopecurus geniculatus, carex hirta, equisetum palustre, holcus lanatus, polygonum aviculare, cerastium holosteoides, glechoma hederacea, glyceria fluitans, stellaria media, argentina anserina, cirsium arvense, equisetum fluviatile, glyceria maxima, persicaria hydropiper, phleum pratense, ranunculus acris, ranunculus repens, trifolium repens