fr, pas-de-calais, agrostis capillaris, holcus lanatus, plantago lanceolata, rumex acetosella, hypochaeris radicata, jacobaea vulgaris, rumex angiocarpus, anthoxanthum odoratum, trifolium repens, achillea millefolium, festuca rubra, ranunculus repens, rumex acetosa, lolium perenne, luzula campestris, lotus corniculatus, trifolium dubium, bromus hordeaceus, carex arenaria, veronica arvensis, poa pratensis, aira praecox, galium verum, poa annua, vicia sativa, dactylis glomerata, erodium cicutarium, crepis capillaris, agrostis stolonifera, geranium molle, cerastium fontanum, ornithopus perpusillus, cirsium arvense, poa trivialis, arrhenatherum elatius, urtica dioica, cerastium holosteoides, trifolium pratense, pilosella officinarum, elymus repens, cynosurus cristatus, vicia hirsuta, trifolium arvense, ranunculus bulbosus, stellaria media, bellis perennis, ranunculus acris, trifolium campestre, plantago major, potentilla reptans