fr, pas-de-calais, carex arenaria, cynoglossum officinale, rubus caesius, jacobaea vulgaris, hippophae rhamnoides, calamagrostis epigejos, rosa spinosissima, ligustrum vulgare, erodium cicutarium, phleum arenarium, sedum acre, cerastium semidecandrum, galium verum, claytonia perfoliata, veronica arvensis, crataegus monogyna, luzula campestris, urtica dioica, myosotis ramosissima, bryonia dioica, anchusa officinalis, poa pratensis, cardamine hirsuta, sambucus nigra, festuca rubra, rhamnus cathartica, polygonatum odoratum, solanum dulcamara, koeleria macrantha, hypochaeris radicata, euonymus europaeus, asparagus officinalis, salix repens, holcus lanatus, prunus serotina, mahonia aquifolium, viola tricolor, senecio sylvaticus, agrostis capillaris, geranium molle, rumex acetosella, saxifraga tridactylites, crepis capillaris, corynephorus canescens, glechoma hederacea, populus alba, galium aparine, aira praecox, rosa rubiginosa, cerastium arvense