be, arr. aalst, corylus avellana, fraxinus excelsior, acer pseudoplatanus, quercus robur, sambucus nigra, arum maculatum, hedera helix, polygonatum multiflorum, adoxa moschatellina, lonicera periclymenum, lamium galeobdolon, castanea sativa, prunus avium, ficaria verna, anemone nemorosa, primula elatior, glechoma hederacea, crataegus monogyna, geum urbanum, urtica dioica, hyacinthoides non-scripta, ribes rubrum, carpinus betulus, heracleum sphondylium, circaea lutetiana, sorbus aucuparia, silene dioica, alnus glutinosa, galium aparine, fagus sylvatica, athyrium filix-femina, quercus rubra, populus canadensis, viburnum opulus, ulmus minor, angelica sylvestris, cornus sanguinea, stachys sylvatica, galanthus nivalis, geranium robertianum, paris quadrifolia, dryopteris filix-mas, filipendula ulmaria, allium ursinum, carex sylvatica, moehringia trinervia, prunus serotina, cardamine pratensis, betula pendula, dryopteris carthusiana