eleocharis palustris, oryza sativa, elatine triandra, typha angustifolia, schoenoplectiella supina, carex hirta, cirsium arvense, echinochloa crus-galli, elatine alsinastrum, gratiola officinalis, lindernia procumbens, mentha pulegium, persicaria hydropiper, trifolium repens, typha latifolia, utricularia vulgaris