Obel, Carolin, and Rainer W Bussmann. 2025. “Occurrence and Use of Tree Species in the Hardtwald Forest Stands Close to the City of Karlsruhe Compared to the Early 19th Century”. Ethnobotany Research and Applications 31 (June):1-32. https://ethnobotanyjournal.org/index.php/era/article/view/7138.