quercus robur, quercus rubra, sorbus aucuparia, vaccinium myrtillus, amelanchier lamarckii, betula pendula, frangula alnus, hedera helix, ilex aquifolium, lonicera periclymenum, pinus sylvestris, pseudotsuga menziesii, sambucus nigra, convallaria majalis, dryopteris dilatata, fagus sylvatica, impatiens parviflora, leucobryum glaucum, maianthemum bifolium, polygonatum multiflorum, polypodium vulgare