alopecurus bulbosus, anthemis cotula, bellis annua, cyperus longus, helosciadium crassipes, mentha pulegium, cynodon dactylon, eleocharis palustris, isoetes longissima, ranunculus aquatilis, dittrichia viscosa, juncus pygmaeus, potentilla reptans, ranunculus ophioglossifolius, triglochin barrelieri