nl, kop van noord-holland, thinopyrum junceiforme, cakile maritima, carex arenaria, cerastium semidecandrum, eryngium maritimum, sonchus arvensis, agrostis stolonifera, thinopyrum junceum, sedum acre, festuca rubra, ammocalamagrostis baltica, leymus arenarius, arenaria serpyllifolia, phleum arenarium, hypochaeris radicata, honckenya peploides, plantago coronopus, corynephorus canescens, hippophae rhamnoides, senecio vulgaris, euphorbia paralias, lysimachia maritima, cerastium diffusum, salicornia ramosissima, elymus athericus, phragmites australis, calamagrostis epigejos, hieracium umbellatum, viola tricolor, salicornia europaea, aira praecox, sagina nodosa, atriplex prostrata, cirsium arvense, jacobaea vulgaris, erigeron canadensis, limonium vulgare, jasione montana, erodium cicutarium, plantago maritima, suaeda maritima, draba verna, juncus maritimus, tripolium pannonicum, rumex acetosella, juncus gerardii, poa pratensis, puccinellia maritima, rumex angiocarpus, sagina maritima