nl, noord-friesland, sonchus arvensis, cerastium semidecandrum, thinopyrum junceiforme, agrostis stolonifera, senecio vulgaris, arenaria serpyllifolia, festuca rubra, carex arenaria, cirsium arvense, jacobaea vulgaris, sedum acre, myosotis ramosissima, phleum arenarium, hippophae rhamnoides, lysimachia maritima, cakile maritima, viola tricolor, plantago coronopus, draba verna, cerastium diffusum, aira praecox, elymus athericus, ammocalamagrostis baltica, hypochaeris radicata, cardamine hirsuta, cirsium vulgare, phragmites australis, veronica arvensis, cerastium holosteoides, calamagrostis epigejos, erodium cicutarium, poa pratensis, sagina nodosa, argentina anserina, leymus arenarius, odontites vulgaris, rubus caesius, poa annua, salicornia ramosissima, juncus gerardii, holcus lanatus, tripolium pannonicum, bolboschoenus maritimus, arabidopsis thaliana, sagina maritima, elymus repens, trifolium repens, hieracium umbellatum, rumex acetosella, eryngium maritimum