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