castanea sativa, corylus avellana, euonymus europaeus, cornus mas, euphorbia amygdaloides, geranium robertianum, hedera helix, rubus caesius, asperula taurina, cruciata laevipes, fragaria vesca, lilium bulbiferum, lonicera caprifolium, polygonatum multiflorum, pulmonaria saccharata, viola reichenbachiana