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