fr, pas-de-calais, agrostis stolonifera, phragmites australis, bolboschoenus maritimus, argentina anserina, poa trivialis, ranunculus repens, elymus repens, trifolium fragiferum, juncus gerardii, rumex crispus, cirsium arvense, atriplex prostrata, trifolium repens, plantago major, potentilla reptans, lolium perenne, calystegia sepium, phalaris arundinacea, persicaria amphibia, althaea officinalis, eleocharis palustris, ranunculus sardous, tripolium pannonicum, hordeum secalinum, lotus tenuis, alopecurus geniculatus, carex hirta, scorzoneroides autumnalis, plantago lanceolata, symphytum officinale, galium palustre, festuca rubra, eleocharis uniglumis, urtica dioica, carex riparia, plantago uliginosa, triglochin maritima, ranunculus acris, vicia cracca, lycopus europaeus, lythrum salicaria, holcus lanatus, trifolium pratense, poa pratensis, pulicaria dysenterica, veronica catenata, alisma plantago-aquatica, iris pseudacorus, arrhenatherum elatius, polygonum aviculare