fr, pas-de-calais, oenanthe crocata, ranunculus repens, trifolium repens, lolium perenne, agrostis stolonifera, plantago major, althaea officinalis, poa trivialis, ranunculus acris, plantago lanceolata, holcus lanatus, gnaphalium uliginosum, geranium dissectum, cirsium arvense, bellis perennis, trifolium pratense, argentina anserina, cardamine pratensis, rumex acetosa, cynosurus cristatus, polygonum aviculare, rumex crispus, poa annua, potentilla reptans, anthoxanthum odoratum, elymus repens, pulicaria dysenterica, alopecurus geniculatus, ranunculus flammula, epilobium hirsutum, matricaria discoidea, heracleum sphondylium, silene flos-cuculi, convolvulus arvensis, centaurea nigra, eleocharis palustris, persicaria maculosa, urtica dioica, dactylis glomerata, fritillaria meleagris, achillea millefolium, alopecurus pratensis, phalaris arundinacea, scorzoneroides autumnalis, trifolium dubium, agrostis capillaris, galium palustre, prunella vulgaris, arrhenatherum elatius, iris pseudacorus