Tall-grass perennial swards on mobile coastal dunes of the seaboards of Europe, North America, Greenland, North Africa, Middle East and the Caspian Sea
Vascular plants: Achillea maritima, Ambrosia maritima, Ammophila arenaria subsp. arenaria, Ammophila arenaria subsp. arundinacea, Anagallis monelli, Androcymbium rechingeri, Anthemis maritima, Anthemis peregrina, Argusia sibirica, Astrodaucus littoralis, Atriplex praecox, Calystegia soldanella, Carex colchica, Centaurea arenaria, Coincya monensis subsp. cheiranthos, Cyperus capitatus, Echinophora spinosa, Echinophora tenuifolia subsp. sibthorpiana, Echium gaditanum, Echium sabulicola, Elytrigia juncea subsp. boreoatlantica, Elytrigia juncea subsp. juncea, Eryngium maritimum, Euphorbia baetica, Euphorbia paralias, Festuca juncifolia, Herniaria ciliolata subsp. ciliolata, Herniaria ciliolata subsp. robusta, Honckenya peploides, Ipomoea imperati, Launaea fragilis, Leontodon saxatilis subsp. saxatilis, Leymus arenarius, Leymus racemosus subsp. racemosus, Leymus racemosus subsp. sabulosus, Linaria lamarckii, Linaria polygalifolia, Lobularia maritima, Lolium parabolicae, Lomelosia rutifolia, Malcolmia littorea, Matthiola sinuata, Medicago marina, Mertensia maritima, Odontarrhena sibirica, Pancratium illyricum, Pancratium maritimum, Petasites spurius, Rosa rugosa, Rouya polygama, Scrophularia ramosissima, Seseli tortuosum, Silene ammophila, Silene discolor, Silene euxina, Silene macrodonta, Silene sangaria, Silene succulenta subsp. corsica, Silene succulenta subsp. succulenta, Silene uniflora subsp. uniflora, Sonchus bulbosus, Sporobolus pungens, Stachys maritima, Thymus carnosus, x Calammophila baltica