be, arr. leuven, quercus robur, urtica dioica, sambucus nigra, galium aparine, glechoma hederacea, phragmites australis, alnus glutinosa, solanum dulcamara, cirsium arvense, crataegus monogyna, holcus lanatus, poa trivialis, fraxinus excelsior, acer pseudoplatanus, populus canadensis, sorbus aucuparia, rubus caesius, galeopsis tetrahit, humulus lupulus, prunus serotina, betula pendula, calystegia sepium, phalaris arundinacea, eupatorium cannabinum, ranunculus repens, lycopus europaeus, agrostis capillaris, dryopteris dilatata, arrhenatherum elatius, geum urbanum, dryopteris carthusiana, lonicera periclymenum, lysimachia vulgaris, salix cinerea, dactylis glomerata, symphytum officinale, heracleum sphondylium, agrostis stolonifera, moehringia trinervia, elymus repens, iris pseudacorus, stellaria media, silene dioica, frangula alnus, epilobium hirsutum, anthriscus sylvestris, lythrum salicaria, betula pubescens, corylus avellana, geranium robertianum