be, arr. leuven, fraxinus excelsior, acer pseudoplatanus, sambucus nigra, corylus avellana, quercus robur, circaea lutetiana, glechoma hederacea, urtica dioica, ficaria verna, arum maculatum, geum urbanum, alnus glutinosa, hedera helix, galium aparine, anemone nemorosa, ribes rubrum, crataegus monogyna, polygonatum multiflorum, silene dioica, adoxa moschatellina, prunus avium, primula elatior, stachys sylvatica, carpinus betulus, lamium galeobdolon, prunus padus, filipendula ulmaria, fagus sylvatica, poa trivialis, ulmus minor, athyrium filix-femina, humulus lupulus, heracleum sphondylium, aegopodium podagraria, viburnum opulus, cornus sanguinea, geranium robertianum, galanthus nivalis, allium ursinum, sorbus aucuparia, acer campestre, populus canadensis, paris quadrifolia, euonymus europaeus, lonicera periclymenum, angelica sylvestris, carex sylvatica, rumex sanguineus, rubus caesius, carex remota