fr, pas-de-calais, lonicera periclymenum, betula pubescens, quercus robur, hedera helix, pteridium aquilinum, fagus sylvatica, ilex aquifolium, euphorbia amygdaloides, fraxinus excelsior, dryopteris carthusiana, carpinus betulus, crataegus monogyna, hyacinthoides non-scripta, carex sylvatica, teucrium scorodonia, dryopteris filix-mas, circaea lutetiana, holcus mollis, viola reichenbachiana, athyrium filix-femina, betula pendula, corylus avellana, deschampsia flexuosa, quercus petraea, avenella flexuosa, brachypodium sylvaticum, anemone nemorosa, carex remota, arum maculatum, rosa arvensis, molinia caerulea, oxalis acetosella, frangula alnus, melica uniflora, ajuga reptans, carex pilulifera, ligustrum vulgare, polygonatum multiflorum, alnus glutinosa, milium effusum, acer campestre, populus tremula, lamium galeobdolon, carex pendula, euonymus europaeus, juncus effusus, viola riviniana, mercurialis perennis, deschampsia cespitosa, fragaria vesca