be, arr. nivelles, alnus glutinosa, circaea lutetiana, athyrium filix-femina, fraxinus excelsior, quercus robur, acer pseudoplatanus, dryopteris carthusiana, carex remota, juncus effusus, urtica dioica, fagus sylvatica, lonicera periclymenum, glechoma hederacea, corylus avellana, ranunculus repens, lycopus europaeus, lysimachia vulgaris, carpinus betulus, eupatorium cannabinum, dryopteris dilatata, quercus rubra, geum urbanum, hedera helix, deschampsia cespitosa, anemone nemorosa, ajuga reptans, filipendula ulmaria, sambucus nigra, stachys sylvatica, sorbus aucuparia, scrophularia nodosa, carex acutiformis, impatiens parviflora, betula pendula, castanea sativa, lamium galeobdolon, cardamine pratensis, geranium robertianum, oxalis acetosella, galium aparine, carex sylvatica, lysimachia nemorum, galeopsis tetrahit, galium palustre, arum maculatum, angelica sylvestris, iris pseudacorus, dryopteris filix-mas, veronica montana, pteridium aquilinum