Orig. (Blažková 1962): Torminaleto-Quercetum (Svoboda 1955) Samek 1955 (Sorbus torminalis, Quercus sessilis = Q. petraea, Q. pubescens)

Syn.: Torminarieto-Quercetum Svoboda 1955 (§ 2b, nomen nudum), Cynancho-Quercetum auct. bohem. non Passarge in Scamoni et Passarge 1959 (pseudonym), Asplenio cuneifolii-Quercetum petraeae Chytrý et Horák 1997 p. p.

Formal definition: (Quercus petraea agg. cover > 10 % OR Quercus robur cover > 10 %) AND group Geranium sanguineum AND (group Hieracium sabaudum OR group Viscaria vulgaris) NOT group Buglossoides purpurocaerulea NOT group Jasione montana NOT group Serratula tinctoria NOT Abies alba cover > 5 % NOT Carpinus betulus cover > 25 % NOT Fagus sylvatica cover > 5 % NOT Pinus sylvestris cover > 50 % NOT Tilia cordata cover > 25 % NOT Tilia platyphyllos cover > 25 %