fr, pas-de-calais, luzula campestris, hypochaeris radicata, carex arenaria, festuca rubra, galium verum, plantago lanceolata, agrostis capillaris, sedum acre, jacobaea vulgaris, poa pratensis, rumex acetosella, bromus hordeaceus, lotus corniculatus, aira praecox, erodium cicutarium, rumex angiocarpus, veronica arvensis, arenaria serpyllifolia, anthoxanthum odoratum, cerastium semidecandrum, koeleria macrantha, ononis spinosa, ranunculus bulbosus, pilosella officinarum, myosotis ramosissima, achillea millefolium, geranium molle, trifolium repens, trifolium dubium, vicia sativa, holcus lanatus, crepis capillaris, eryngium campestre, aira caryophyllea, cerastium fontanum, vicia lathyroides, trifolium campestre, phleum arenarium, thymus praecox, polygala vulgaris, cerastium arvense, rumex acetosa, trifolium arvense, plantago coronopus, armeria maritima, cerastium diffusum, anthyllis vulneraria, cerastium holosteoides, draba verna, dactylis glomerata