nl, kop van noord-holland, cerastium semidecandrum, carex arenaria, sonchus arvensis, thinopyrum junceiforme, jacobaea vulgaris, phleum arenarium, arenaria serpyllifolia, sedum acre, myosotis ramosissima, festuca rubra, agrostis stolonifera, hypochaeris radicata, cerastium diffusum, calamagrostis epigejos, aira praecox, hippophae rhamnoides, senecio vulgaris, veronica arvensis, erodium cicutarium, draba verna, cakile maritima, viola tricolor, plantago coronopus, salix repens, cirsium arvense, sagina nodosa, ammocalamagrostis baltica, cardamine hirsuta, lysimachia maritima, phragmites australis, poa pratensis, corynephorus canescens, cynoglossum officinale, juncus articulatus, cirsium vulgare, galium verum, hieracium umbellatum, luzula campestris, rumex acetosella, elymus athericus, euphorbia paralias, holcus lanatus, eryngium maritimum, erigeron canadensis, rubus caesius, cerastium holosteoides, parnassia palustris, rumex angiocarpus, sagina maritima, crepis capillaris