fr, pas-de-calais, plantago lanceolata, pilosella officinarum, achillea millefolium, dactylis glomerata, poterium sanguisorba, arenaria serpyllifolia, lotus corniculatus, hypericum perforatum, jacobaea vulgaris, echium vulgare, medicago lupulina, arrhenatherum elatius, festuca ovina, reseda lutea, eryngium campestre, daucus carota, festuca rubra, koeleria macrantha, galium verum, erodium cicutarium, crataegus monogyna, ononis spinosa, linum catharticum, sedum acre, brachypodium pinnatum, agrostis capillaris, centaurea scabiosa, veronica arvensis, convolvulus arvensis, poa pratensis, draba verna, carlina vulgaris, holcus lanatus, vicia sativa, bromus hordeaceus, lysimachia arvensis, hypochaeris radicata, scabiosa columbaria, origanum vulgare, cirsium arvense, thymus praecox, trifolium campestre, leontodon hispidus, cerastium semidecandrum, anthyllis vulneraria, bromus erectus, pimpinella saxifraga, galium mollugo, thymus pulegioides, crepis capillaris