be, arr. nivelles, fraxinus excelsior, corylus avellana, hedera helix, crataegus monogyna, quercus robur, cornus sanguinea, arum maculatum, prunus avium, carpinus betulus, acer pseudoplatanus, fagus sylvatica, acer campestre, geum urbanum, ligustrum vulgare, clematis vitalba, galium aparine, neottia ovata, euonymus europaeus, mercurialis perennis, ulmus minor, brachypodium sylvaticum, viburnum opulus, sambucus nigra, lonicera periclymenum, prunus spinosa, carex sylvatica, polygonatum multiflorum, urtica dioica, heracleum sphondylium, betula pendula, rosa arvensis, glechoma hederacea, viburnum lantana, fragaria vesca, lamium galeobdolon, anemone nemorosa, hyacinthoides non-scripta, paris quadrifolia, geranium robertianum, adoxa moschatellina, circaea lutetiana, viola reichenbachiana, stachys sylvatica, rubus caesius, euphorbia amygdaloides, populus tremula, dryopteris filix-mas, primula elatior, salix caprea, quercus petraea