fr, seine-maritime, hedera helix, quercus robur, lonicera periclymenum, corylus avellana, carpinus betulus, hyacinthoides non-scripta, fagus sylvatica, fraxinus excelsior, crataegus monogyna, arum maculatum, polygonatum multiflorum, acer campestre, anemone nemorosa, prunus avium, ilex aquifolium, quercus petraea, betula pubescens, acer pseudoplatanus, euphorbia amygdaloides, carex sylvatica, mercurialis perennis, betula pendula, castanea sativa, cornus sanguinea, lamium galeobdolon, ligustrum vulgare, rosa arvensis, euonymus europaeus, geum urbanum, milium effusum, pteridium aquilinum, torminalis glaberrima, dryopteris filix-mas, teucrium scorodonia, ficaria verna, viola riviniana, mespilus germanica, circaea lutetiana, viola reichenbachiana, ruscus aculeatus, melica uniflora, sorbus aucuparia, brachypodium sylvaticum, convallaria majalis, glechoma hederacea, ulmus minor, holcus mollis, viburnum opulus, crataegus laevigata, deschampsia flexuosa