poa trivialis, agrostis stolonifera, persicaria hydropiper, ranunculus sceleratus, juncus bufonius, trifolium repens, eleocharis palustris, triglochin palustris, sagina procumbens, alopecurus geniculatus, bidens cernuus, cirsium arvense, juncus articulatus, leptobryum pyriforme, oenanthe fistulosa, poa annua, ranunculus repens, stellaria alsine, bidens tripartita