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