agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, persicaria hydropiper, ranunculus sceleratus, helosciadium nodiflorum, poa annua, poa trivialis, stellaria alsine, stellaria media, lolium perenne, ranunculus repens, bidens cernuus, bidens tripartita, cirsium arvense, crepis capillaris, eleocharis palustris, oenanthe fistulosa, persicaria lapathifolia, polygonum aviculare, rorippa palustris, trifolium repens, capsella bursa-pastoris, oxybasis glauca