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