be, arr. tongeren, quercus robur, quercus rubra, lonicera periclymenum, corylus avellana, castanea sativa, sambucus nigra, acer pseudoplatanus, sorbus aucuparia, prunus serotina, hedera helix, fraxinus excelsior, polygonatum multiflorum, frangula alnus, fagus sylvatica, athyrium filix-femina, alnus glutinosa, dryopteris carthusiana, dryopteris dilatata, betula pendula, urtica dioica, prunus avium, lamium galeobdolon, glechoma hederacea, anemone nemorosa, pteridium aquilinum, juncus effusus, carpinus betulus, betula pubescens, galium aparine, populus canadensis, crataegus monogyna, viburnum opulus, teucrium scorodonia, adoxa moschatellina, ilex aquifolium, arum maculatum, geum urbanum, ranunculus repens, ficaria verna, galeopsis tetrahit, dryopteris filix-mas, holcus lanatus, robinia pseudoacacia, poa trivialis, primula elatior, vaccinium myrtillus, circaea lutetiana, salix caprea, silene dioica, heracleum sphondylium