fr, pas-de-calais, quercus robur, agrostis capillaris, carex arenaria, rumex acetosella, lonicera periclymenum, calamagrostis epigejos, rumex angiocarpus, luzula campestris, festuca filiformis, moehringia trinervia, urtica dioica, jacobaea vulgaris, crataegus monogyna, teucrium scorodonia, prunus serotina, holcus lanatus, cynoglossum officinale, glechoma hederacea, rubus caesius, veronica arvensis, acer pseudoplatanus, poa pratensis, euonymus europaeus, aira praecox, betula pendula, cerastium semidecandrum, sorbus aucuparia, sambucus nigra, fagus sylvatica, hypochaeris radicata, ligustrum vulgare, geum urbanum, galium aparine, geranium robertianum, anthoxanthum odoratum, cerastium arvense, veronica officinalis, erodium cicutarium, galium verum, hedera helix, senecio sylvaticus, stellaria media, pilosella officinarum, festuca rubra, rosa canina, achillea millefolium, poa trivialis, hypericum perforatum, holcus mollis, pinus sylvestris