be, arr. tongeren, fraxinus excelsior, corylus avellana, quercus robur, arum maculatum, hedera helix, acer pseudoplatanus, prunus avium, polygonatum multiflorum, sambucus nigra, lonicera periclymenum, adoxa moschatellina, anemone nemorosa, carpinus betulus, primula elatior, crataegus monogyna, ulmus minor, geum urbanum, ficaria verna, circaea lutetiana, lamium galeobdolon, cornus sanguinea, fagus sylvatica, ribes rubrum, carex sylvatica, paris quadrifolia, glechoma hederacea, viburnum opulus, sorbus aucuparia, galium aparine, betula pendula, acer campestre, urtica dioica, euonymus europaeus, dryopteris filix-mas, hyacinthoides non-scripta, alnus glutinosa, stachys sylvatica, athyrium filix-femina, milium effusum, moehringia trinervia, heracleum sphondylium, geranium robertianum, viola reichenbachiana, silene dioica, poa nemoralis, dryopteris carthusiana, neottia ovata, convallaria majalis, mercurialis perennis, castanea sativa