pulicaria vulgaris, matricaria discoidea, plantago uliginosa, polygonum aviculare, veronica catenata, agrostis stolonifera, argentina anserina, carex hirta, eleocharis palustris, juncus compressus, limosella aquatica, phleum pratense, poa annua, rorippa sylvestris, persicaria lapathifolia, rorippa palustris