nl, noord-friesland, sonchus arvensis, cerastium semidecandrum, thinopyrum junceiforme, festuca rubra, carex arenaria, senecio vulgaris, viola tricolor, sedum acre, arenaria serpyllifolia, leymus arenarius, cakile maritima, cerastium diffusum, hypochaeris radicata, honckenya peploides, jacobaea vulgaris, phleum arenarium, cirsium arvense, poa pratensis, myosotis ramosissima, aira praecox, elymus athericus, cerastium holosteoides, thinopyrum junceum, hippophae rhamnoides, eryngium maritimum, agrostis stolonifera, erodium cicutarium, cirsium vulgare, hieracium umbellatum, bromus hordeaceus, ammocalamagrostis baltica, draba verna, veronica arvensis, plantago coronopus, lotus corniculatus, linaria vulgaris, trifolium arvense, galium verum, plantago lanceolata, holcus lanatus, elymus repens, arabidopsis thaliana, vicia sativa, lysimachia maritima, trifolium repens, sagina nodosa, rumex acetosella, cardamine hirsuta, rumex crispus, erigeron acris