eleocharis acicularis, achillea salicifolia, bolboschoenus maritimus, alisma plantago-aquatica, althaea officinalis, butomus umbellatus, calystegia sepium, cirsium arvense, glyceria maxima, gratiola officinalis, inula britannica, lysimachia vulgaris, lythrum virgatum, mentha arvensis, persicaria minor, phalaris arundinacea, rubia tatarica, rumex stenophyllus, stachys palustris, thalictrum flavum