hedera helix, quercus robur, corylus avellana, lonicera periclymenum, castanea sativa, pteridium aquilinum, arum maculatum, conopodium majus, cornus sanguinea, crataegus monogyna, dioscorea communis, euonymus europaeus, euphorbia dulcis, hyacinthoides non-scripta, ilex aquifolium, poa chaixii, polygonatum multiflorum, populus tremula, pulmonaria longifolia, rabelera holostea, ruscus aculeatus, viburnum opulus