fr, pas-de-calais, carex arenaria, agrostis capillaris, quercus robur, poa pratensis, calamagrostis epigejos, luzula campestris, rumex angiocarpus, galium verum, rumex acetosella, festuca rubra, veronica arvensis, hypochaeris radicata, jacobaea vulgaris, rubus caesius, plantago lanceolata, holcus lanatus, achillea millefolium, glechoma hederacea, anthoxanthum odoratum, ligustrum vulgare, cerastium semidecandrum, geum urbanum, dactylis glomerata, urtica dioica, crataegus monogyna, elymus repens, prunus serotina, arrhenatherum elatius, erodium cicutarium, galium aparine, acer pseudoplatanus, aira praecox, euonymus europaeus, cerastium arvense, bromus hordeaceus, lonicera periclymenum, crepis capillaris, stellaria media, moehringia trinervia, pilosella officinarum, rosa spinosissima, cynoglossum officinale, hippophae rhamnoides, sorbus aucuparia, festuca filiformis, geranium robertianum, vicia sativa, poa trivialis, claytonia perfoliata, cardamine hirsuta