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