agrostis stolonifera, alopecurus geniculatus, persicaria maculosa, glyceria fluitans, poa trivialis, glyceria maxima, ranunculus repens, cirsium arvense, glechoma hederacea, helosciadium nodiflorum, persicaria amphibia, persicaria hydropiper, polygonum aviculare, ranunculus sceleratus, stellaria media, trifolium repens, plantago uliginosa