be, arr. oostende, claytonia perfoliata, ligustrum ovalifolium, prunus serotina, rosa rugosa, lycium barbarum, mahonia aquifolium, populus alba, lathyrus latifolius, acer pseudoplatanus, sambucus nigra, pentaglottis sempervirens, symphoricarpos albus, urtica dioica, anchusa officinalis, oenothera glazioviana, senecio inaequidens, rubus caesius, eupatorium cannabinum, jacobaea vulgaris, crassula helmsii, saponaria officinalis, glechoma hederacea, solanum dulcamara, arum italicum, galium aparine, colutea arborescens, ribes sanguineum, hippophae rhamnoides, silene dioica, erigeron sumatrensis, erigeron canadensis, cynoglossum officinale, ribes rubrum, galanthus nivalis, corispermum pallasii, potentilla indica, quercus rubra, amelanchier lamarckii, quercus robur, geranium robertianum, rhododendron ponticum, ligustrum vulgare, robinia pseudoacacia, heracleum sphondylium, arctium minus, carex arenaria, symphytum officinale, aesculus hippocastanum, melilotus albus, scrophularia vernalis