fr, pas-de-calais, agrostis stolonifera, sedum acre, festuca rubra, plantago lanceolata, lotus corniculatus, armeria maritima, hydrocotyle vulgaris, carex arenaria, eleocharis palustris, plantago coronopus, trifolium repens, phragmites australis, juncus articulatus, scorzoneroides autumnalis, hypochaeris radicata, galium verum, bromus hordeaceus, argentina anserina, festuca ovina, arenaria serpyllifolia, agrostis capillaris, carex flacca, pilosella officinarum, poa pratensis, lysimachia maritima, linum catharticum, thrincia saxatilis, anthyllis vulneraria, danthonia decumbens, ranunculus flammula, bellis perennis, poa annua, bolboschoenus maritimus, sedum album, koeleria macrantha, stuckenia pectinata, sagina nodosa, prunella vulgaris, dactylis glomerata, jacobaea vulgaris, cerastium semidecandrum, ranunculus bulbosus, achillea millefolium, schoenoplectus lacustris, trifolium fragiferum, holcus lanatus, medicago lupulina, briza media, juncus gerardii, potentilla reptans