quercus robur, acer platanoides, aegopodium podagraria, alnus glutinosa, betula pubescens, convallaria majalis, corylus avellana, equisetum pratense, galium rubioides, lathyrus vernus, polygonatum multiflorum, populus tremula, rubus saxatilis, tilia cordata, ulmus laevis, viburnum opulus