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