corylus avellana, robinia pseudoacacia, rubus curtiglandulosus, castanea sativa, clematis vitalba, hedera helix, fraxinus excelsior, acer campestre, alnus glutinosa, carpinus betulus, dioscorea communis, dryopteris filix-mas, euphorbia dulcis, ruscus aculeatus, sambucus nigra, tilia platyphyllos