quercus robur, corylus avellana, fraxinus excelsior, hedera helix, crataegus monogyna, ficaria verna, glechoma hederacea, acer campestre, acer platanoides, acer pseudoplatanus, arum maculatum, carpinus betulus, castanea sativa, circaea lutetiana, cornus sanguinea, crataegus laevigata, dryopteris filix-mas, filipendula ulmaria, galeopsis tetrahit, geranium robertianum, geum urbanum, ligustrum vulgare, rumex sanguineus, sambucus nigra, ulmus minor, veronica hederifolia