quercus robur, sambucus nigra, sorbus aucuparia, betula pendula, hedera helix, frangula alnus, lonicera periclymenum, prunus serotina, avenella flexuosa, betula pubescens, ceratocapnos claviculata, crataegus monogyna, cytisus scoparius, digitalis purpurea, dryopteris dilatata, fagus sylvatica, ilex aquifolium, maianthemum bifolium, melampyrum pratense, moehringia trinervia, polygonatum multiflorum, polypodium vulgare