be, arr. oostende, quercus robur, lonicera periclymenum, castanea sativa, sorbus aucuparia, acer pseudoplatanus, quercus rubra, prunus serotina, corylus avellana, dryopteris dilatata, hedera helix, frangula alnus, betula pubescens, fagus sylvatica, betula pendula, ilex aquifolium, sambucus nigra, pteridium aquilinum, dryopteris carthusiana, fraxinus excelsior, polygonatum multiflorum, molinia caerulea, vaccinium myrtillus, athyrium filix-femina, teucrium scorodonia, pinus sylvestris, alnus glutinosa, crataegus monogyna, rhododendron ponticum, avenella flexuosa, deschampsia flexuosa, prunus avium, amelanchier lamarckii, hyacinthoides non-scripta, lamium galeobdolon, holcus mollis, anemone nemorosa, urtica dioica, carex pilulifera, carpinus betulus, juncus effusus, dryopteris filix-mas, populus tremula, calluna vulgaris, glechoma hederacea, robinia pseudoacacia, luzula pilosa, maianthemum bifolium, convallaria majalis, quercus petraea, geum urbanum