be, arr. tongeren, fraxinus excelsior, quercus robur, heracleum sphondylium, corylus avellana, urtica dioica, acer pseudoplatanus, glechoma hederacea, galium aparine, sambucus nigra, arum maculatum, geum urbanum, poa trivialis, hedera helix, crataegus monogyna, angelica sylvestris, ranunculus repens, silene dioica, prunus avium, primula elatior, filipendula ulmaria, adoxa moschatellina, cornus sanguinea, circaea lutetiana, ficaria verna, polygonatum multiflorum, alnus glutinosa, lonicera periclymenum, stachys sylvatica, carpinus betulus, anemone nemorosa, lamium galeobdolon, galeopsis tetrahit, holcus lanatus, geranium robertianum, viburnum opulus, ribes rubrum, ulmus minor, populus canadensis, cirsium arvense, cardamine pratensis, athyrium filix-femina, deschampsia cespitosa, dactylis glomerata, betula pendula, arrhenatherum elatius, symphytum officinale, ajuga reptans, paris quadrifolia, sorbus aucuparia, humulus lupulus