fr, pas-de-calais, heracleum sphondylium, primula veris, vicia faba, cruciata laevipes, centaurea nigra, arum maculatum, prunus spinosa, hedera helix, arrhenatherum elatius, crataegus monogyna, dactylis glomerata, agrimonia eupatoria, origanum vulgare, hyacinthoides non-scripta, dioscorea communis, hordeum vulgare, viburnum lantana, holcus lanatus, geranium dissectum, corylus avellana, anacamptis pyramidalis, convolvulus arvensis, cornus sanguinea, achillea millefolium, acer campestre, potentilla reptans, orchis mascula, ranunculus acris, plantago lanceolata, euonymus europaeus, trifolium repens, poa trivialis, lotus corniculatus, ranunculus repens, fraxinus excelsior, galium mollugo, trifolium pratense, rumex acetosa, ophrys apifera, carpinus betulus, neottia ovata, sambucus ebulus, urtica dioica, orchis purpurea, veronica chamaedrys, clematis vitalba, lathyrus pratensis, cardamine pratensis, cirsium arvense, tragopogon pratensis