be, arr. tielt, quercus robur, acer pseudoplatanus, fraxinus excelsior, sambucus nigra, corylus avellana, urtica dioica, hedera helix, lonicera periclymenum, crataegus monogyna, glechoma hederacea, galium aparine, sorbus aucuparia, alnus glutinosa, populus canadensis, geum urbanum, silene dioica, ficaria verna, dryopteris dilatata, ribes rubrum, polygonatum multiflorum, poa trivialis, heracleum sphondylium, arum maculatum, prunus serotina, quercus rubra, prunus avium, castanea sativa, circaea lutetiana, adoxa moschatellina, anemone nemorosa, athyrium filix-femina, ranunculus repens, lamium galeobdolon, filipendula ulmaria, fagus sylvatica, geranium robertianum, angelica sylvestris, viburnum opulus, prunus padus, hyacinthoides non-scripta, stachys sylvatica, ilex aquifolium, galanthus nivalis, holcus lanatus, dryopteris carthusiana, primula elatior, humulus lupulus, galeopsis tetrahit, betula pendula, moehringia trinervia