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