be, arr. leuven, quercus rubra, castanea sativa, prunus serotina, pinus sylvestris, betula pendula, quercus robur, sorbus aucuparia, fagus sylvatica, vaccinium myrtillus, pinus nigra, carex pilulifera, molinia caerulea, frangula alnus, avenella flexuosa, teucrium scorodonia, lonicera periclymenum, dryopteris carthusiana, pseudotsuga menziesii, dryopteris dilatata, calluna vulgaris, deschampsia flexuosa, pteridium aquilinum, ilex aquifolium, juncus tenuis, rhododendron ponticum, robinia pseudoacacia, acer pseudoplatanus, larix decidua, amelanchier lamarckii, convallaria majalis, juncus effusus, larix kaempferi, picea abies, potentilla indica, agrostis capillaris, silene coronaria, pilosella aurantiaca, cytisus scoparius, corylus avellana, quercus petraea, pinus strobus, salix caprea, athyrium filix-femina, impatiens parviflora, betula pubescens, oxalis stricta, galinsoga quadriradiata, maianthemum bifolium, luzula pilosa, plantago subulata