nl, kop van noord-holland, carex arenaria, sedum acre, cerastium semidecandrum, corynephorus canescens, hieracium umbellatum, phleum arenarium, rumex acetosella, hypochaeris radicata, aira praecox, viola tricolor, salix repens, luzula campestris, calamagrostis epigejos, rumex angiocarpus, galium verum, arenaria serpyllifolia, festuca rubra, hippophae rhamnoides, draba verna, jasione montana, agrostis stolonifera, ammocalamagrostis baltica, rubus caesius, agrostis capillaris, poa pratensis, thinopyrum junceiforme, polypodium vulgare, jacobaea vulgaris, festuca filiformis, phragmites australis, cerastium holosteoides, sonchus arvensis, viola canina, lotus corniculatus, myosotis ramosissima, leymus arenarius, lysimachia maritima, pilosella officinarum, cakile maritima, sagina nodosa, holcus lanatus, koeleria macrantha, eryngium maritimum, senecio vulgaris, veronica officinalis, solanum dulcamara, cynoglossum officinale, veronica arvensis, erodium cicutarium, vicia lathyroides