poa pratensis, thinopyrum elongatum, achillea millefolium, agrostis stolonifera, althaea officinalis, cynodon dactylon, juncus conglomeratus, mentha aquatica, plantago major, scirpoides holoschoenus, trifolium repens, argentina anserina, cichorium intybus, daucus carota, inula britannica, lathyrus pratensis, lotus angustissimus, picris hieracioides, verbascum blattaria, oenanthe aquatica