be, arr. tongeren, fraxinus excelsior, arum maculatum, hedera helix, corylus avellana, fagus sylvatica, carpinus betulus, quercus robur, acer campestre, cornus sanguinea, acer pseudoplatanus, prunus avium, mercurialis perennis, crataegus monogyna, carex sylvatica, geum urbanum, lamium galeobdolon, polygonatum multiflorum, anemone nemorosa, viola reichenbachiana, euonymus europaeus, circaea lutetiana, clematis vitalba, brachypodium sylvaticum, adoxa moschatellina, rosa arvensis, vicia sepium, dryopteris filix-mas, paris quadrifolia, milium effusum, euphorbia amygdaloides, galium aparine, primula elatior, fragaria vesca, stachys sylvatica, campanula trachelium, galium odoratum, neottia ovata, ligustrum vulgare, lonicera periclymenum, crataegus laevigata, sambucus nigra, heracleum sphondylium, glechoma hederacea, viburnum opulus, urtica dioica, ficaria verna, viburnum lantana, geranium robertianum, prunus spinosa, quercus petraea