poa trivialis, agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, lolium perenne, argentina anserina, carex hirta, eleocharis palustris, elymus repens, glechoma hederacea, poa annua, ranunculus repens, stellaria media, persicaria amphibia, polygonum aviculare, ranunculus sceleratus, veronica catenata