agrostis stolonifera, poa trivialis, glyceria fluitans, myosotis scorpioides, glyceria maxima, alopecurus geniculatus, acorus calamus, cardamine pratensis, glechoma hederacea, phleum pratense, poa annua, ranunculus repens, ranunculus sceleratus, trifolium repens, carex hirta, cerastium holosteoides, cirsium arvense