fr, pas-de-calais, fraxinus excelsior, ranunculus repens, quercus robur, urtica dioica, hedera helix, corylus avellana, galium aparine, lonicera periclymenum, hyacinthoides non-scripta, crataegus monogyna, filipendula ulmaria, holcus lanatus, poa trivialis, alnus glutinosa, arum maculatum, angelica sylvestris, fagus sylvatica, circaea lutetiana, betula pubescens, cirsium palustre, ilex aquifolium, juncus effusus, geum urbanum, acer pseudoplatanus, ajuga reptans, heracleum sphondylium, silene dioica, cardamine pratensis, geranium robertianum, dryopteris dilatata, galium palustre, mercurialis perennis, anemone nemorosa, pteridium aquilinum, sambucus nigra, glechoma hederacea, athyrium filix-femina, ficaria verna, chrysosplenium oppositifolium, stachys sylvatica, solanum dulcamara, caltha palustris, rumex acetosa, viburnum opulus, ranunculus acris, dryopteris filix-mas, deschampsia cespitosa, rabelera holostea, eupatorium cannabinum, iris pseudacorus