paspalum distichum, cynodon dactylon, trifolium fragiferum, cirsium vulgare, euphorbia hirsuta, euphorbia palustris, juncus inflexus, lotus corniculatus, mentha aquatica, mentha longifolia, oenanthe fistulosa, plantago major, prunella vulgaris, pulicaria dysenterica, rorippa sylvestris, rumex conglomeratus, symphyotrichum squamatum, veronica beccabunga