arrhenatherum elatius, holcus lanatus, juncus effusus, elymus repens, glechoma hederacea, agrostis stolonifera, cirsium arvense, poa trivialis, urtica dioica, achillea ptarmica, equisetum fluviatile, equisetum palustre, lemna minor, lycopus europaeus, ranunculus repens, stellaria graminea