Forests of Fraxinus excelsior, Acer pseudoplatanus, Acer platanoides, Ulmus glabra, Tilia platyphyllos, Fagus sylvatica, on unstable screes, richer in fine soil than those that support the forests of unit G1.A4111, in ravines, at higher altitudes, on steep slopes of the collinar to montane, but mostly submontane, level of the Vosges, the mid-German and Bohemian Quadrangle Hercynian ranges, the Jura, the northern pre-Alps, the northern Carpathians, the sub-Pannonic Matra and Bükk ranges, with Anthriscus nitidus, Campanula latifolia, Hesperis matronalis ssp. matronalis, Lunaria rediviva, Lamiastrum galeobdolon ssp. montanum, Mercurialis perennis, Impatiens noli-tangere, Urtica dioica.