nl, noord-friesland, sonchus arvensis, cakile maritima, thinopyrum junceiforme, senecio vulgaris, festuca rubra, honckenya peploides, arenaria serpyllifolia, cirsium arvense, leymus arenarius, cerastium semidecandrum, agrostis stolonifera, thinopyrum junceum, viola tricolor, plantago coronopus, atriplex prostrata, eryngium maritimum, sedum acre, elymus repens, carex arenaria, jacobaea vulgaris, elymus athericus, tripleurospermum maritimum, atriplex littoralis, rumex crispus, erodium cicutarium, cirsium vulgare, sonchus asper, poa pratensis, cerastium diffusum, ammocalamagrostis baltica, lysimachia maritima, poa annua, myosotis ramosissima, hypochaeris radicata, cerastium holosteoides, bromus hordeaceus, plantago maritima, hippophae rhamnoides, erigeron canadensis, tripolium pannonicum, phleum arenarium, limonium vulgare, sonchus oleraceus, veronica arvensis, stellaria media, vicia sativa, chenopodium album, salicornia ramosissima, sagina maritima, trifolium arvense