Kohler's Medizinal-Pflanzen in naturgetreuen Abbildungen mit kurz erlauterndem Texte :.Gera-Untermhaus :Fr. Eugen Kohler,[1883-1914].biodiversitylibrary.org/page/303624
2011-03-13 Vienna XIII. district (Lainzer Tiergarten - beech/hornbeam/oak-forest, ~275 m AMSL).Note barks - oak (front centre, and front right hand side), hornbeam (the smaller ones front left & right just behind the oak), and beech (the fat ones further back, with grey, smooth bark).German names: Trauben-Eiche, Edel-Hainbuche, Rot-Buche
2011-03-13 Vienna XIII. district (Lainzer Tiergarten - beech/hornbeam/oak-forest, ~275 m AMSL).Note barks - oak (front left), hornbeam (front left just behind the oak), and beech (most trees in the background - grey, smooth bark).German names: Trauben-Eiche, Edel-Hainbuche, Rot-Buche