Visiting scholars (short term)
1. Andrii Tarieiev. 12/2017 – 6/2018. Taxonomical status of two dark-barked birch taxa Betula kotulae Zaver. and B. pubescens var. sibakademica Baran. DAAD scholarship- short-term grants.
2. Saheed Adebisi. 09/2018 – 03/2019. Genetic diversity and phylogeny of Piper (Piperaceae) and Pterocarpus (Fabaceae) in southwest Nigeria using microsatellite markers. DAAD scholarship- short-term grants.
3. Fitri Indriani. 11/2018 – 01/2019. Barcoding in Shorea species. Deutsche Forschungsgemeinschaft (DFG). Collaborative Research Center 990. The use of barcoding sequences for the construction of community phylogenies to estimate phylogenetic and functional diversity and their linkages.
4. Antonio L. Conte. 11/2018 - 02/2019. Genetic diversity and interspecific hybrization of white oak species in Italy. Erasmus +Tucep traineeship.
5. Cengiz Yucedag. 10/2019- 01/2020. Genetic variation in natural populations of Quercus vulcanica Boiss. & Heldr. Ex Kotschy.
6. Mahboobeh Mohebi Bijarpas. 4/2019 - 10/2019. Genetic variation in Fagus orientalis in Iran. Scholarship from Iranian Ministry of Science, Research and Technology
7. Elisa Proietti 05/22 - 08/22 Genetic diversity in natural populations of white oaks in Central and Southern Europe.

Postdoc
Dr. Wang Ying. Scholarship from the Education Department of Shandong Province, China. 12/2018- 12/2019. DNA-Barcoding and population genetics of trees