fr, pas-de-calais, calamagrostis epigejos, carex arenaria, salix repens, hydrocotyle vulgaris, jacobaea vulgaris, rubus caesius, holcus lanatus, hippophae rhamnoides, urtica dioica, crataegus monogyna, cynoglossum officinale, solanum dulcamara, luzula campestris, galium palustre, agrostis stolonifera, phragmites australis, poa pratensis, salix cinerea, cirsium arvense, galium verum, eupatorium cannabinum, cirsium palustre, lycopus europaeus, senecio sylvaticus, eleocharis palustris, agrostis capillaris, ligustrum vulgare, lonicera periclymenum, rosa spinosissima, ranunculus flammula, veronica officinalis, quercus robur, juncus articulatus, lythrum salicaria, rhamnus cathartica, sambucus nigra, festuca rubra, carex trinervis, hypochaeris radicata, cerastium semidecandrum, betula pubescens, pyrola rotundifolia, erodium cicutarium, cirsium vulgare, epipactis palustris, aira praecox, betula pendula, rumex acetosella, moehringia trinervia, rosa canina