fr, pas-de-calais, plantago lanceolata, festuca rubra, hypochaeris radicata, jacobaea vulgaris, galium verum, luzula campestris, agrostis capillaris, poa pratensis, achillea millefolium, bromus hordeaceus, lotus corniculatus, trifolium repens, holcus lanatus, anthoxanthum odoratum, carex arenaria, ranunculus bulbosus, rumex acetosa, dactylis glomerata, trifolium dubium, geranium molle, veronica arvensis, cerastium fontanum, rumex acetosella, vicia sativa, bellis perennis, rumex angiocarpus, crepis capillaris, ononis spinosa, lolium perenne, arrhenatherum elatius, sedum acre, pilosella officinarum, erodium cicutarium, aira praecox, veronica chamaedrys, arenaria serpyllifolia, cerastium holosteoides, cynosurus cristatus, trifolium campestre, cirsium arvense, trifolium pratense, daucus carota, koeleria macrantha, cerastium semidecandrum, rhinanthus minor, agrostis stolonifera, prunella vulgaris, potentilla reptans, cirsium vulgare, medicago lupulina