Diagnostic species | Acer campestre, Acer negundo, Aristolochia clematitis, Aster dumosus x A. novi-belgii, Aster laevis, Aster lanceolatus, Aster novi-belgii, Aster parviflorus, Aster x salignus, Aster x versicolor, Brachypodium sylvaticum, Cardamine impatiens, Carex remota, Carex sylvatica, Circaea lutetiana, Cornus sanguinea, Dactylis polygama, Festuca gigantea, Fraxinus angustifolia, Geum urbanum, Glechoma hederacea, Glechoma hirsuta, Lamium maculatum, Lysimachia nummularia, Quercus robur, Rubus caesius, Tilia cordata, Torilis japonica, Ulmus laevis, Ulmus minor, Viola reichenbachiana (?) |