fr, pas-de-calais, erodium cicutarium, veronica arvensis, plantago lanceolata, rumex acetosella, vicia sativa, senecio vulgaris, achillea millefolium, trifolium arvense, geranium molle, vicia hirsuta, rumex angiocarpus, bromus hordeaceus, jacobaea vulgaris, trifolium dubium, agrostis capillaris, echium vulgare, hypochaeris radicata, arenaria serpyllifolia, draba verna, ornithopus perpusillus, convolvulus arvensis, reseda luteola, arabidopsis thaliana, sedum acre, poa annua, trifolium campestre, hypericum perforatum, eryngium campestre, capsella bursa-pastoris, dactylis glomerata, crepis capillaris, cerastium glomeratum, artemisia vulgaris, erigeron canadensis, plantago coronopus, arrhenatherum elatius, sedum album, lysimachia arvensis, trifolium repens, daucus carota, lolium perenne, medicago lupulina, papaver rhoeas, sisymbrium officinale, polygonum aviculare, viola arvensis, cerastium semidecandrum, silene latifolia, raphanus raphanistrum, bromus sterilis