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