bolboschoenus planiculmis, persicaria amphibia, phragmites australis, rumex crispus, tripleurospermum inodorum, cirsium arvense, plantago major, poa trivialis, polygonum aviculare, chenopodium album, cirsium vulgare, euphorbia platyphyllos, juncus articulatus, mentha aquatica, symphytum officinale, veronica anagalloides