fr, pas-de-calais, calluna vulgaris, molinia caerulea, potentilla erecta, danthonia decumbens, juncus subnodulosus, scorzonera humilis, succisa pratensis, quercus robur, agrostis canina, hypochaeris radicata, agrostis capillaris, anthoxanthum odoratum, erica tetralix, festuca filiformis, carex pilulifera, carex panicea, erica cinerea, ulex minor, holcus lanatus, cirsium dissectum, plantago lanceolata, frangula alnus, rumex acetosella, pteridium aquilinum, trocdaris verticillatum, festuca rubra, cytisus scoparius, teucrium scorodonia, ranunculus flammula, hydrocotyle vulgaris, rumex angiocarpus, pilosella officinarum, betula pendula, avenella flexuosa, lotus pedunculatus, lonicera periclymenum, rumex acetosa, carum verticillatum, centaurea jacea, centaurea nigra, dactylorhiza maculata, ulex europaeus, luzula campestris, deschampsia flexuosa, achillea millefolium, ranunculus acris, prunella vulgaris, trifolium repens, castanea sativa, juncus effusus