be, arr. nivelles, quercus robur, castanea sativa, lonicera periclymenum, teucrium scorodonia, agrostis capillaris, rumex acetosella, holcus mollis, pteridium aquilinum, rumex angiocarpus, calluna vulgaris, hedera helix, betula pendula, holcus lanatus, corylus avellana, frangula alnus, ranunculus repens, achillea millefolium, heracleum sphondylium, polygonum aviculare, fagus sylvatica, gnaphalium uliginosum, hypochaeris radicata, anthoxanthum odoratum, molinia caerulea, phacelia tanacetifolia, sorbus aucuparia, lolium perenne, cytisus scoparius, carex pilulifera, rumex acetosa, avenella flexuosa, betula pubescens, deschampsia flexuosa, festuca rubra, trifolium repens, plantago lanceolata, ilex aquifolium, sambucus nigra, ranunculus acris, chenopodium album, acer pseudoplatanus, trifolium incarnatum, galium aparine, cerastium fontanum, poa annua, plantago major, fraxinus excelsior, vicia hirsuta, senecio vulgaris, polygonatum multiflorum