be, arr. tongeren, hedera helix, fagus sylvatica, fraxinus excelsior, corylus avellana, arum maculatum, quercus robur, carpinus betulus, polygonatum multiflorum, acer pseudoplatanus, prunus avium, carex sylvatica, lamium galeobdolon, anemone nemorosa, lonicera periclymenum, acer campestre, crataegus monogyna, dryopteris filix-mas, milium effusum, primula elatior, circaea lutetiana, rosa arvensis, cornus sanguinea, viola reichenbachiana, paris quadrifolia, mercurialis perennis, geum urbanum, quercus petraea, euphorbia amygdaloides, adoxa moschatellina, luzula pilosa, viburnum opulus, crataegus laevigata, sambucus nigra, betula pendula, galium odoratum, ilex aquifolium, ficaria verna, sorbus aucuparia, athyrium filix-femina, oxalis acetosella, euonymus europaeus, brachypodium sylvaticum, fragaria vesca, dryopteris carthusiana, deschampsia cespitosa, stachys sylvatica, glechoma hederacea, hyacinthoides non-scripta, convallaria majalis, populus tremula