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