be, arr. leuven, fraxinus excelsior, corylus avellana, acer pseudoplatanus, quercus robur, fagus sylvatica, hedera helix, alnus glutinosa, lonicera periclymenum, sambucus nigra, viburnum opulus, prunus avium, carpinus betulus, arum maculatum, polygonatum multiflorum, urtica dioica, ribes rubrum, lamium galeobdolon, castanea sativa, crataegus monogyna, sorbus aucuparia, cornus sanguinea, filipendula ulmaria, heracleum sphondylium, glechoma hederacea, betula pendula, geum urbanum, anemone nemorosa, primula elatior, angelica sylvestris, galium aparine, athyrium filix-femina, frangula alnus, solanum dulcamara, circaea lutetiana, ranunculus repens, betula pubescens, ficaria verna, dryopteris filix-mas, ajuga reptans, stachys sylvatica, paris quadrifolia, dryopteris carthusiana, humulus lupulus, eupatorium cannabinum, adoxa moschatellina, cardamine pratensis, populus tremula, euonymus europaeus, geranium robertianum, salix caprea