fr, pas-de-calais, plantago lanceolata, sedum acre, lotus corniculatus, arenaria serpyllifolia, pilosella officinarum, festuca rubra, galium verum, festuca ovina, koeleria macrantha, carex caryophyllea, ranunculus bulbosus, anthyllis vulneraria, linum catharticum, bromus hordeaceus, plantago coronopus, hypochaeris radicata, thymus praecox, carex flacca, cerastium semidecandrum, medicago lupulina, agrostis stolonifera, armeria maritima, carex arenaria, sedum album, poterium sanguisorba, erodium cicutarium, danthonia decumbens, briza media, draba verna, jacobaea vulgaris, trifolium repens, poa pratensis, luzula campestris, agrostis capillaris, bellis perennis, thymus serpyllum, potentilla verna, eryngium campestre, ononis spinosa, carlina vulgaris, saxifraga tridactylites, aira caryophyllea, trifolium campestre, achillea millefolium, polygala vulgaris, leontodon hispidus, catapodium rigidum, prunella vulgaris, dactylis glomerata, scorzoneroides autumnalis