poa trivialis, festuca rubra, holcus lanatus, agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, glyceria maxima, lolium perenne, persicaria hydropiper, poa pratensis, ranunculus repens, sparganium erectum, trifolium repens, argentina anserina, cirsium arvense, galium palustre, glechoma hederacea, myosotis scorpioides, oenanthe fistulosa, persicaria amphibia, polygonum aviculare, ranunculus sceleratus, rumex crispus, scutellaria galericulata, stellaria alsine, stellaria media