bidens frondosa, persicaria mitis, carex hirta, poa palustris, potentilla reptans, ranunculus repens, rubus caesius, acer negundo, atriplex patula, carex riparia, cirsium arvense, deschampsia cespitosa, echinochloa crus-galli, erigeron canadensis, galium album, juncus effusus, lycopus europaeus, mentha aquatica, oxalis stricta, plantago major, poa annua, ranunculus sceleratus, rumex obtusifolius, scrophularia nodosa, setaria pumila, stachys palustris, stellaria aquatica, symphytum officinale, trifolium repens, tripleurospermum inodorum, gnaphalium sylvaticum, sonchus asper, trifolium hybridum