nl, kop van noord-holland, carex arenaria, cerastium semidecandrum, sonchus arvensis, agrostis stolonifera, thinopyrum junceiforme, calamagrostis epigejos, cerastium diffusum, jacobaea vulgaris, arenaria serpyllifolia, festuca rubra, sedum acre, hypochaeris radicata, phleum arenarium, salix repens, aira praecox, juncus articulatus, sagina nodosa, myosotis ramosissima, lysimachia maritima, plantago coronopus, hippophae rhamnoides, senecio vulgaris, draba verna, phragmites australis, viola tricolor, erodium cicutarium, veronica arvensis, argentina anserina, cirsium arvense, centaurium littorale, centaurium pulchellum, poa pratensis, odontites vulgaris, luzula campestris, corynephorus canescens, holcus lanatus, sagina maritima, lotus corniculatus, juncus gerardii, parnassia palustris, linum catharticum, trifolium repens, cakile maritima, cerastium holosteoides, galium verum, cirsium vulgare, hieracium umbellatum, bolboschoenus maritimus, rumex acetosella, hydrocotyle vulgaris