be, arr. leuven, quercus robur, urtica dioica, fraxinus excelsior, populus canadensis, glechoma hederacea, sambucus nigra, galium aparine, alnus glutinosa, filipendula ulmaria, angelica sylvestris, crataegus monogyna, ribes rubrum, symphytum officinale, corylus avellana, acer pseudoplatanus, poa trivialis, galeopsis tetrahit, heracleum sphondylium, humulus lupulus, silene dioica, geum urbanum, ficaria verna, ranunculus repens, circaea lutetiana, athyrium filix-femina, solanum dulcamara, viburnum opulus, lonicera periclymenum, sorbus aucuparia, iris pseudacorus, phalaris arundinacea, calystegia sepium, hedera helix, cardamine pratensis, juncus effusus, cirsium palustre, prunus avium, dryopteris carthusiana, geranium robertianum, holcus lanatus, primula elatior, phragmites australis, lysimachia vulgaris, anemone nemorosa, stachys sylvatica, moehringia trinervia, deschampsia cespitosa, rubus caesius, lycopus europaeus, lythrum salicaria