be, arr. leuven, castanea sativa, quercus rubra, prunus serotina, fagus sylvatica, teucrium scorodonia, pilosella aurantiaca, acer pseudoplatanus, lonicera periclymenum, sorbus aucuparia, silene coronaria, quercus robur, hyacinthoides non-scripta, corylus avellana, lamium galeobdolon, galinsoga quadriradiata, potentilla indica, ilex aquifolium, rhododendron ponticum, mespilus germanica, geranium macrorrhizum, carpinus betulus, hedera helix, polygonatum multiflorum, sambucus nigra, vinca minor, robinia pseudoacacia, arum maculatum, convallaria majalis, betula pendula, prunus avium, phacelia tanacetifolia, phytolacca acinosa, trifolium incarnatum, pteridium aquilinum, lathyrus latifolius, fraxinus excelsior, plantago subulata, pinus sylvestris, veronica persica, geranium pyrenaicum, scrophularia nodosa, galeopsis tetrahit, oxalis stricta, echinochloa crus-galli, galanthus nivalis, vaccinium myrtillus, arum italicum, ribes rubrum, glechoma hederacea, circaea lutetiana