fr, pas-de-calais, ranunculus repens, heracleum sphondylium, urtica dioica, lamium album, holcus lanatus, poa trivialis, lolium perenne, trifolium repens, ranunculus acris, galium aparine, rumex acetosa, cardamine pratensis, dactylis glomerata, cirsium arvense, glechoma hederacea, achillea millefolium, arrhenatherum elatius, plantago lanceolata, plantago major, alopecurus pratensis, rumex obtusifolius, arum maculatum, bellis perennis, trifolium pratense, agrostis stolonifera, geranium dissectum, sisymbrium officinale, veronica persica, anthriscus sylvestris, pentaglottis sempervirens, stellaria media, geranium pyrenaicum, alliaria petiolata, silene dioica, epilobium hirsutum, trifolium incarnatum, symphytum officinale, capsella bursa-pastoris, hedera helix, matricaria discoidea, castanea sativa, bromus hordeaceus, hyacinthoides non-scripta, cerastium glomeratum, poa annua, veronica chamaedrys, agrostis capillaris, galanthus nivalis, filipendula ulmaria, fraxinus excelsior