fr, pas-de-calais, castanea sativa, prunus serotina, teucrium scorodonia, fagus sylvatica, lonicera periclymenum, ilex aquifolium, quercus rubra, hyacinthoides non-scripta, betula pendula, pteridium aquilinum, pinus sylvestris, quercus robur, acer pseudoplatanus, hedera helix, sorbus aucuparia, plantago subulata, rhododendron ponticum, carpinus betulus, quercus petraea, pinus nigra, avenella flexuosa, corylus avellana, moehringia trinervia, convallaria majalis, rubus fruticosus, glechoma hederacea, impatiens parviflora, dryopteris carthusiana, mespilus germanica, pinus pinaster, dryopteris dilatata, crataegus monogyna, carex pilulifera, betula pubescens, frangula alnus, fraxinus excelsior, ruscus aculeatus, dryopteris filix-mas, pseudotsuga menziesii, vaccinium myrtillus, polygonatum multiflorum, sambucus nigra, deschampsia flexuosa, prunus avium, calluna vulgaris, circaea lutetiana, robinia pseudoacacia, urtica dioica, digitalis purpurea, lamium galeobdolon