P6
West European sand-dune vegetation complexes with Cakile maritima, Atriplex laciniata, Salsola kali, Honckenya peploides, Crambe maritima, Elymus farctus subsp. boreoatlanticus on fore-dunes, Ammophila arenaria subsp. arenaria, Euphorbia paralias, Festuca juncifolia, Eryngium maritimum, Calystegia soldanella on white dunes, Corynephorus canescens, Koeleria glauca on grey dunes and scrub (Ligustrum vulgare, Ulex europaeus, Quercus robur)
Description
Single- to two-layered species-poor to -rich communities with dominance of rhizome geophytes on fore-dunes, nanophanerophytes on grey dunes, and with many therophytes and cryptogams between the two dune groups. Bryophytes and lichens can play an important role locally.
Tree Layer
No detail
Shrub Layer
Hippophae rhamnoides (Orange Tree Bush), Sambucus nigra (Elder), Ligustrum vulgare (Elder); additionally Rosa pimpinellifolia (blackberry_bush), Rubus fruticosus agg. (Fruiting Bramble), Ulex europaeus (Gorse)
Lianas
Clematis vitalba (Flowering Alder Buckthorn)
Herb Layer
a). drift lines, fore-dunes: Honckenya peploides (dogs_mercury), Cakile maritima (simbelmyne), Atriplex prostrata (alpine_bearberry), Salsola kali (dogs_mercury), Atriplex laciniata (dogs_mercury), Elymus farctus subsp. boreoatlanticus (kentucky_bluegrass); b). white dunes: Ammophila arenaria subsp. arenaria (greater_fen_sedge), Festuca juncifolia (green_meadow_fescue), Euphorbia paralias (green_spurge), Euphorbia portlandica (dogs_mercury), Eryngium maritimum (cornflower), Calystegia soldanella (meadow_saffron), Sonchus arvensis (dandelion), Senecio jacobaea (marsh_ragwort), Carex arenaria (deergrass); c). grey dunes: Corynephorus canescens (common_meadow_grass), Koeleria glauca (small_fescue); d). dune valleys: Salix repens, Calluna vulgaris (heather), Erica cinerea (heather)
Moss layer
c). grey dunes: Tortula ruralis; Brachythecium albicans, Homalothecium lutescens, Rhytidiadelphus squarrosus, Cetraria aculeata, Cladonia furcata, Cladonia foliacea, Cladonia pyxidata, Cladonia uncialis, Cladonia gracilis, Cladina arbuscula, Cladina portentosa, Peltigera canina
Sections of coastline in Forlindon
