be, arr. leuven, fraxinus excelsior, urtica dioica, glechoma hederacea, galium aparine, sambucus nigra, alnus glutinosa, ficaria verna, humulus lupulus, filipendula ulmaria, quercus robur, geum urbanum, circaea lutetiana, ribes rubrum, crataegus monogyna, poa trivialis, silene dioica, symphytum officinale, acer pseudoplatanus, corylus avellana, angelica sylvestris, populus canadensis, heracleum sphondylium, stachys sylvatica, rubus caesius, arum maculatum, hedera helix, cornus sanguinea, aegopodium podagraria, prunus padus, galeopsis tetrahit, ulmus minor, phalaris arundinacea, ranunculus repens, viburnum opulus, rumex sanguineus, solanum dulcamara, calystegia sepium, anemone nemorosa, geranium robertianum, anthriscus sylvestris, adoxa moschatellina, iris pseudacorus, impatiens noli-tangere, primula elatior, prunus avium, lolium giganteum, euonymus europaeus, carex remota, galanthus nivalis, lycopus europaeus