fr, pas-de-calais, agrostis capillaris, rumex angiocarpus, rumex acetosella, quercus robur, teucrium scorodonia, pteridium aquilinum, holcus lanatus, achillea millefolium, calluna vulgaris, plantago lanceolata, hypochaeris radicata, trifolium repens, anthoxanthum odoratum, lonicera periclymenum, betula pendula, deschampsia flexuosa, vicia sativa, holcus mollis, ornithopus perpusillus, avenella flexuosa, luzula campestris, poa annua, danthonia decumbens, lolium perenne, ranunculus repens, cytisus scoparius, pilosella officinarum, hypericum perforatum, betula pubescens, castanea sativa, dactylis glomerata, festuca filiformis, lotus corniculatus, prunella vulgaris, vicia hirsuta, cerastium fontanum, rumex acetosa, veronica arvensis, hedera helix, fagus sylvatica, festuca rubra, poa pratensis, arrhenatherum elatius, carex pilulifera, cirsium arvense, cerastium holosteoides, hypericum humifusum, plantago major, hyacinthoides non-scripta, potentilla erecta