carpinus betulus, hedera helix, lamium galeobdolon, quercus robur, castanea sativa, acer campestre, arum maculatum, athyrium filix-femina, corylus avellana, dryopteris filix-mas, euphorbia amygdaloides, helleborus foetidus, oxyrrhynchium hians, polygonatum multiflorum, primula veris, sambucus nigra