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