be, arr. ieper, quercus robur, quercus rubra, prunus serotina, sorbus aucuparia, betula pendula, pinus sylvestris, dryopteris dilatata, fagus sylvatica, frangula alnus, castanea sativa, dryopteris carthusiana, vaccinium myrtillus, lonicera periclymenum, avenella flexuosa, deschampsia flexuosa, acer pseudoplatanus, molinia caerulea, carex pilulifera, ilex aquifolium, betula pubescens, pseudotsuga menziesii, pinus nigra, amelanchier lamarckii, pteridium aquilinum, calluna vulgaris, corylus avellana, teucrium scorodonia, agrostis capillaris, sambucus nigra, picea abies, larix kaempferi, hedera helix, holcus mollis, robinia pseudoacacia, quercus petraea, convallaria majalis, polygonatum multiflorum, luzula pilosa, prunus avium, maianthemum bifolium, galeopsis tetrahit, athyrium filix-femina, salix caprea, larix decidua, rubus idaeus, juncus effusus, populus tremula, moehringia trinervia, ceratocapnos claviculata, rubus gratus