poa trivialis, agrostis stolonifera, alopecurus geniculatus, bidens cernuus, lolium perenne, stellaria media, trifolium repens, atriplex prostrata, bolboschoenus maritimus, juncus bufonius, polygonum aviculare, ranunculus sceleratus, argentina anserina, cirsium arvense, eleocharis palustris, elymus repens, glyceria fluitans, leptobryum pyriforme, ranunculus repens, physcomitrium pyriforme