fr, pas-de-calais, festuca rubra, sedum acre, carex arenaria, jacobaea vulgaris, hypochaeris radicata, cerastium semidecandrum, plantago lanceolata, galium verum, ononis spinosa, bromus hordeaceus, poa pratensis, arenaria serpyllifolia, erodium cicutarium, myosotis ramosissima, phleum arenarium, luzula campestris, agrostis capillaris, lotus corniculatus, aira praecox, plantago coronopus, veronica arvensis, vicia sativa, geranium molle, cynoglossum officinale, armeria maritima, cochlearia danica, koeleria macrantha, rosa spinosissima, eryngium maritimum, rumex acetosella, dactylis glomerata, achillea millefolium, holcus lanatus, hippophae rhamnoides, elymus athericus, echium vulgare, daucus carota, rubus caesius, rumex angiocarpus, pilosella officinarum, senecio vulgaris, eryngium campestre, anthyllis vulneraria, sonchus arvensis, anthoxanthum odoratum, cirsium arvense, crepis capillaris, cerastium diffusum, elymus repens, trifolium repens