corydalis cava, acer campestre, cornus mas, quercus cerris, quercus robur, ulmus laevis, sambucus nigra, ficaria verna, fraxinus angustifolia, galium aparine, impatiens parviflora, mercurialis perennis, urtica dioica, arum cylindraceum, lamium purpureum, pulmonaria officinalis, viola odorata