holcus lanatus, phalaris arundinacea, agrostis stolonifera, lemna minor, poa trivialis, ranunculus repens, rumex acetosa, sagittaria sagittifolia, sparganium erectum, urtica dioica, arrhenatherum elatius, dactylis glomerata, glyceria maxima, juncus effusus, lotus pedunculatus, persicaria amphibia, angelica sylvestris, heracleum sphondylium