robinia pseudoacacia, acer platanoides, acer pseudoplatanus, prunus serotina, acer campestre, hedera helix, impatiens parviflora, pinus sylvestris, crataegus monogyna, galeopsis tetrahit, sambucus nigra, alliaria petiolata, chelidonium majus, fraxinus excelsior, geranium robertianum, quercus rubra, viola odorata