fr, pas-de-calais, crassula helmsii, phragmites australis, ludwigia grandiflora, bidens frondosa, pulicaria dysenterica, lolium multiflorum, eupatorium cannabinum, lythrum salicaria, melilotus albus, agrostis stolonifera, ranunculus repens, cirsium arvense, lycopus europaeus, echinochloa crus-galli, epilobium hirsutum, ranunculus sceleratus, symphytum officinale, veronica persica, cotula coronopifolia, matricaria discoidea, azolla filiculoides, calystegia sepium, holcus lanatus, elodea nuttallii, urtica dioica, trifolium hybridum, stachys palustris, galega officinalis, althaea officinalis, lysimachia vulgaris, erigeron canadensis, poa trivialis, cardamine pratensis, angelica archangelica, iris pseudacorus, mentha aquatica, plantago major, trifolium repens, persicaria amphibia, solidago gigantea, vicia villosa, alisma plantago-aquatica, galium palustre, gnaphalium uliginosum, lepidium didymum, juncus inflexus, hydrocotyle vulgaris, melilotus officinalis, solanum dulcamara, phalaris arundinacea