echinochloa crus-galli, lythrum virgatum, bidens tripartita, phalaris arundinacea, rorippa palustris, achillea salicifolia, alisma gramineum, alisma plantago-aquatica, althaea officinalis, bolboschoenus maritimus, cirsium arvense, eleocharis acicularis, euphorbia esula, glyceria maxima, inula britannica, lemna trisulca, mentha arvensis, oenanthe aquatica, plantago major, polygonum arenarium, rubia tatarica, rumex stenophyllus, thalictrum flavum, xanthium strumarium