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