lipandra polysperma, persicaria hydropiper, persicaria lapathifolia, persicaria mitis, phalaris arundinacea, rorippa palustris, urtica dioica, agrostis stolonifera, persicaria maculosa, rumex obtusifolius, stellaria aquatica, amaranthus retroflexus, artemisia vulgaris, barbarea vulgaris, echinochloa crus-galli, galinsoga quadriradiata, myosotis scorpioides, persicaria minor, plantago uliginosa, poa annua, polygonum aviculare, solanum nigrum, solidago gigantea, sonchus asper, stellaria media