fr, pas-de-calais, hyacinthoides non-scripta, hedera helix, quercus robur, lonicera periclymenum, fraxinus excelsior, fagus sylvatica, corylus avellana, castanea sativa, acer pseudoplatanus, carpinus betulus, ilex aquifolium, polygonatum multiflorum, arum maculatum, crataegus monogyna, betula pubescens, prunus avium, mercurialis perennis, anemone nemorosa, pteridium aquilinum, dryopteris filix-mas, betula pendula, euphorbia amygdaloides, circaea lutetiana, lamium galeobdolon, geum urbanum, carex sylvatica, teucrium scorodonia, acer campestre, euonymus europaeus, quercus petraea, sorbus aucuparia, sambucus nigra, mespilus germanica, melica uniflora, holcus mollis, milium effusum, ruscus aculeatus, viola riviniana, ficaria verna, glechoma hederacea, geranium robertianum, ulmus minor, galium aparine, ligustrum vulgare, dryopteris dilatata, ajuga reptans, viola reichenbachiana, cornus sanguinea, ribes rubrum, dryopteris carthusiana