fr, pas-de-calais, quercus robur, lonicera periclymenum, hedera helix, pteridium aquilinum, fagus sylvatica, deschampsia flexuosa, carpinus betulus, teucrium scorodonia, ilex aquifolium, betula pubescens, avenella flexuosa, holcus mollis, euphorbia amygdaloides, quercus petraea, hyacinthoides non-scripta, crataegus monogyna, anemone nemorosa, carex pilulifera, corylus avellana, fraxinus excelsior, ajuga reptans, carex sylvatica, betula pendula, viola riviniana, agrostis capillaris, dryopteris filix-mas, hypericum pulchrum, castanea sativa, anthoxanthum odoratum, melica uniflora, viola reichenbachiana, polygonatum multiflorum, arum maculatum, rosa arvensis, circaea lutetiana, luzula pilosa, vaccinium myrtillus, fragaria vesca, calluna vulgaris, oxalis acetosella, athyrium filix-femina, rabelera holostea, dryopteris carthusiana, acer campestre, melampyrum pratense, deschampsia cespitosa, brachypodium sylvaticum, frangula alnus, milium effusum, solidago virgaurea