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