corylus avellana, anemone nemorosa, asarum europaeum, astrantia major, convallaria majalis, cornus sanguinea, erythronium dens-canis, hepatica nobilis, lathyrus vernus, ligustrum vulgare, lilium martagon, maianthemum bifolium, paris quadrifolia, polygonatum latifolium, populus tremula, symphytum tuberosum, viburnum opulus, viola mirabilis, mercurialis perennis, rhamnus saxatilis