nl, noord-friesland, sonchus arvensis, cerastium semidecandrum, thinopyrum junceiforme, carex arenaria, festuca rubra, jacobaea vulgaris, cerastium diffusum, phleum arenarium, sedum acre, arenaria serpyllifolia, hypochaeris radicata, senecio vulgaris, viola tricolor, myosotis ramosissima, aira praecox, agrostis stolonifera, hippophae rhamnoides, poa pratensis, cakile maritima, cirsium arvense, plantago coronopus, erodium cicutarium, lysimachia maritima, draba verna, elymus athericus, cerastium holosteoides, leymus arenarius, corynephorus canescens, ammocalamagrostis baltica, calamagrostis epigejos, sagina nodosa, veronica arvensis, eryngium maritimum, cirsium vulgare, holcus lanatus, hieracium umbellatum, rumex acetosella, lotus corniculatus, rumex angiocarpus, galium verum, cardamine hirsuta, thinopyrum junceum, luzula campestris, rubus caesius, honckenya peploides, trifolium repens, bromus hordeaceus, salix repens, phragmites australis, argentina anserina