fr, pas-de-calais, echium vulgare, erodium cicutarium, sedum acre, hypericum perforatum, arenaria serpyllifolia, eryngium campestre, lysimachia arvensis, poterium sanguisorba, plantago lanceolata, centaurium erythraea, blackstonia perfoliata, pilosella officinarum, achillea millefolium, veronica arvensis, hypochaeris radicata, jacobaea vulgaris, daucus carota, reseda lutea, ulex europaeus, teucrium scorodonia, rumex acetosella, senecio vulgaris, plantago coronopus, erigeron canadensis, dactylis glomerata, helianthemum nummularium, origanum vulgare, reseda luteola, sedum album, trifolium arvense, agrostis capillaris, festuca rubra, medicago lupulina, carlina vulgaris, trifolium campestre, festuca ovina, rumex angiocarpus, vicia sativa, ophrys apifera, arrhenatherum elatius, cerastium glomeratum, foeniculum vulgare, vicia hirsuta, ornithopus perpusillus, bromus hordeaceus, lotus corniculatus, draba verna, sherardia arvensis, trifolium dubium, brachypodium pinnatum