rorippa amphibia, persicaria mitis, agrostis stolonifera, echinochloa crus-galli, limosella aquatica, plantago major, poa annua, erysimum cheiranthoides, myosotis scorpioides, oenanthe aquatica, persicaria lapathifolia, plantago lanceolata, rorippa palustris, rorippa sylvestris, salix purpurea, stellaria media, symphyotrichum novi-belgii, tripleurospermum inodorum