nl, noord-friesland, sonchus arvensis, thinopyrum junceiforme, cakile maritima, senecio vulgaris, cerastium semidecandrum, festuca rubra, leymus arenarius, arenaria serpyllifolia, carex arenaria, cirsium arvense, agrostis stolonifera, viola tricolor, cerastium diffusum, sedum acre, honckenya peploides, jacobaea vulgaris, thinopyrum junceum, plantago coronopus, elymus athericus, ammocalamagrostis baltica, phleum arenarium, eryngium maritimum, hippophae rhamnoides, myosotis ramosissima, lysimachia maritima, hypochaeris radicata, cirsium vulgare, atriplex prostrata, aira praecox, erodium cicutarium, limonium vulgare, poa pratensis, elymus repens, cerastium holosteoides, draba verna, phragmites australis, tripolium pannonicum, rumex crispus, tripleurospermum maritimum, sagina nodosa, sagina maritima, veronica arvensis, salicornia ramosissima, argentina anserina, arabidopsis thaliana, erigeron canadensis, atriplex littoralis, poa annua, cardamine hirsuta, hieracium umbellatum