fr, pas-de-calais, lagurus ovatus, sedum acre, phleum arenarium, eryngium maritimum, carex arenaria, euphorbia paralias, cerastium semidecandrum, hippophae rhamnoides, diplotaxis tenuifolia, erodium cicutarium, festuca rubra, cakile maritima, jacobaea vulgaris, arenaria serpyllifolia, hypochaeris radicata, ononis spinosa, silene conica, cynoglossum officinale, matthiola sinuata, eryngium campestre, myosotis ramosissima, rosa spinosissima, ligustrum vulgare, asparagus officinalis, ephedra distachya, veronica arvensis, centaurea aspera, galium verum, calystegia soldanella, echium vulgare, crepis capillaris, rubus caesius, anchusa officinalis, claytonia perfoliata, populus alba, bromus hordeaceus, glaucium flavum, saxifraga tridactylites, geranium molle, corynephorus canescens, thrincia saxatilis, aira praecox, poa pratensis, solanum dulcamara, plantago lanceolata, rosa rugosa, euphorbia portlandica, plantago coronopus, luzula campestris, calamagrostis epigejos