fr, pas-de-calais, agrostis stolonifera, festuca rubra, lysimachia maritima, plantago coronopus, sedum acre, trifolium repens, carex arenaria, armeria maritima, atriplex prostrata, plantago lanceolata, tripleurospermum maritimum, argentina anserina, sonchus arvensis, phragmites australis, rumex crispus, scorzoneroides autumnalis, plantago maritima, lotus corniculatus, honckenya peploides, cirsium arvense, juncus gerardii, tripolium pannonicum, poa pratensis, poa annua, thinopyrum junceiforme, cakile maritima, stuckenia pectinata, arenaria serpyllifolia, jacobaea vulgaris, sagina nodosa, juncus articulatus, senecio vulgaris, lysimachia arvensis, anthyllis vulneraria, eryngium maritimum, bolboschoenus maritimus, puccinellia maritima, elymus repens, eleocharis palustris, spergularia marina, plantago major, bellis perennis, beta vulgaris, galium verum, sonchus asper, hydrocotyle vulgaris, lolium perenne, solanum dulcamara, salicornia europaea, polygonum aviculare