agrostis stolonifera, ceratodon purpureus, persicaria hydropiper, ranunculus repens, glyceria fluitans, physcomitrium pyriforme, poa annua, poa trivialis, glyceria maxima, holcus lanatus, juncus articulatus, polygonum aviculare, sagina procumbens, stellaria media, alopecurus geniculatus, elymus repens, persicaria maculosa, juncus effusus, persicaria amphibia, phleum pratense, plantago major, poa pratensis, myosotis scorpioides