be, arr. tongeren, quercus robur, fraxinus excelsior, corylus avellana, heracleum sphondylium, acer pseudoplatanus, urtica dioica, sambucus nigra, hedera helix, lonicera periclymenum, glechoma hederacea, ranunculus repens, prunus avium, galium aparine, poa trivialis, polygonatum multiflorum, geum urbanum, crataegus monogyna, holcus lanatus, betula pendula, sorbus aucuparia, arum maculatum, adoxa moschatellina, cornus sanguinea, carpinus betulus, cirsium arvense, primula elatior, fagus sylvatica, dactylis glomerata, silene dioica, anemone nemorosa, arrhenatherum elatius, lamium galeobdolon, salix caprea, ficaria verna, stachys sylvatica, angelica sylvestris, ranunculus acris, galeopsis tetrahit, circaea lutetiana, geranium robertianum, dryopteris filix-mas, viburnum opulus, betula pubescens, agrostis capillaris, ulmus minor, athyrium filix-femina, lolium perenne, moehringia trinervia, alnus glutinosa, scrophularia nodosa