be, arr. nivelles, cotoneaster franchetii, geranium macrorrhizum, euphorbia lathyris, papaver somniferum, hedera helix, nigella damascena, aubrieta deltoidea, cerastium tomentosum, leycesteria formosa, tanacetum parthenium, carpinus betulus, hypericum calycinum, ribes rubrum, prunus lusitanica, hibiscus syriacus, melissa officinalis, lapsana communis, corylus avellana, cyclamen hederifolium, hyacinthoides non-scripta, hypericum androsaemum, philadelphus coronarius, syringa vulgaris, eschscholzia californica, pyrus communis, mercurialis annua, castanea sativa, ribes uva-crispa, fagus sylvatica, escallonia rubra, arum maculatum, arum italicum, vinca major, cosmos bipinnatus, buxus sempervirens, ilex aquifolium, iris foetidissima, prunus laurocerasus, prunus persica, lysimachia punctata, dasiphora fruticosa, acer pseudoplatanus, sambucus nigra, juglans regia, euphorbia peplus, prunus avium, fraxinus excelsior, cornus sanguinea, phacelia tanacetifolia, chaenomeles japonica