gratiola officinalis, cirsium arvense, phragmites australis, elymus repens, carex riparia, eleocharis palustris, lythrum salicaria, plantago uliginosa, agrostis stolonifera, althaea officinalis, bidens garumnae, carex vulpina, cynodon dactylon, echinochloa crus-galli, fraxinus pennsylvanica, inula britannica, lycopus europaeus, polygonum argyrocoleum, setaria pumila