nl, noord-friesland, cakile maritima, sonchus arvensis, thinopyrum junceiforme, senecio vulgaris, agrostis stolonifera, honckenya peploides, leymus arenarius, festuca rubra, atriplex prostrata, plantago coronopus, thinopyrum junceum, cirsium arvense, arenaria serpyllifolia, cerastium semidecandrum, atriplex littoralis, viola tricolor, eryngium maritimum, lysimachia maritima, tripleurospermum maritimum, ammocalamagrostis baltica, elymus repens, salicornia ramosissima, carex arenaria, rumex crispus, sedum acre, poa annua, tripolium pannonicum, sagina maritima, cerastium diffusum, limonium vulgare, sonchus asper, salicornia europaea, cirsium vulgare, plantago maritima, elymus athericus, erodium cicutarium, chenopodium album, spergularia media, jacobaea vulgaris, erigeron canadensis, stellaria media, puccinellia maritima, poa pratensis, suaeda maritima, sonchus oleraceus, hypochaeris radicata, spergularia marina, cerastium holosteoides, argentina anserina, phragmites australis