castanea sativa, athyrium filix-femina, ajuga reptans, arum italicum, euphorbia amygdaloides, euphorbia dulcis, geranium robertianum, hedera helix, potentilla sterilis, pteridium aquilinum, scrophularia auriculata, veronica montana, corylus avellana, danthonia decumbens, hypericum androsaemum, potentilla erecta, rabelera holostea, viburnum opulus