Christian Geier, BSc MSc

Scientific project collaborator (prae doc)
PhD Student
Ground floor, room 1
t: +43 (0)1 4277-540 00
m: christian.geier@univie.ac.at

 Title of the Doctoral Thesis

Flower-insect interactions in the Eocene to Oligocene of Central Europe

Research interests

  • Palynology
  • Ultrastructure of plants
  • X-Ray CT
  • Flower-insect interactions
  • pollination biology

 Curriculum Vitae

Current position

Education and scientific career

  • 2022– PhD Biology
  • 2022 Master's Theses "The late middle Miocene palynoflora of Gratkorn, Styria, Austria"
  • 2021 Student project collaborator FWF-Project P 29501-B25
  • 2020–2022 Master's Programme Botany, University of Vienna
  • 2016–2020 Bachelor's in biology with specialization in botany, University of Vienna (Thesis: Investigations to the distribution of Microthlaspi erraticum and Microthlaspi perfoliatum in eastern Austria using ITS based phylogeny)

 Publications

Showing entries 1 - 20 out of 22

2024

Auer, W. (Author), Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia americana. Web publication https://www.paldat.org/pub/Tilia_americana/306663
Ulrich, S., Vieira, M., Coiro, M., Bouchal, J. M., Geier, C., Jacobs, B. F., Currano, E. D., Lenz, O. K., Wilde, V., Zetter, R., & Grimsson, F. (2024). Origin and Early Evolution of Hydrocharitaceae and the Ancestral Role of Stratiotes. Plants, 13(7), [1008]. https://doi.org/10.3390/plants13071008
Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia chinensis. Web publication https://www.paldat.org/pub/Tilia_chinensis/306674
Halbritter, H. (Author), Heigl, H. (Author), Auer, W. (Author), Gastaldi, C. (Author), Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia cordata. Web publication https://www.paldat.org/pub/Tilia_cordata/306671
Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia endochrysea. Web publication https://www.paldat.org/pub/Tilia_endochrysea/306676
Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia miqueliana. Web publication https://www.paldat.org/pub/Tilia_miqueliana/306675
Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia mongolica. Web publication https://www.paldat.org/pub/Tilia_mongolica/306670
Halbritter, H. (Author), Hesse, M. (Author), Heigl, H. (Author), Auer, W. (Author), Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia platyphyllos. Web publication https://www.paldat.org/pub/Tilia_platyphyllos/306672
Sam, S. (Author), Heigl, H. (Author), Auer, W. (Author), Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia tomentosa. Web publication https://www.paldat.org/pub/Tilia_tomentosa/306673
Geier, C. (Author), Bouchal, J. M. (Author), & Grimsson, F. (Author). (2024). Tilia japonica. Web publication https://www.paldat.org/pub/Tilia_japonica/306664
Geier, C., Bouchal, J. M., Ulrich, S., Uhl, D., Wedmann, S., Wappler, T., & Grimsson, F. (2024). Eocene flower visitation of European Diptera and their potential pollinator role. In EGU General Assembly 2024 - Abstracts [egusphere-egu24-5607]. https://doi.org/10.5194/egusphere-egu24-5607
Bouchal, J. M., Geier, C., Ulrich, S., Uhl, D., Wedmann, S., Wappler, T., & Grimsson, F. (2024). Fossil Coleoptera with in situ and adhered pollen from the Eocene of Eckfeld, Germany. In EGU General Assembly 2024 - Abstracts [egusphere-egu24-5326]. https://doi.org/10.5194/egusphere-egu24-5326

2023

Vieira, M., Bouchal, J. M., Geier, C., Ulrich, S., Zetter, R., & Grimsson, F. (2023). Earliest fossil pollen records of endemic African Sclerosperma palms and the palaeoecological aspects of the genus. Review of Palaeobotany and Palynology, 317, [104954]. https://doi.org/10.1016/j.revpalbo.2023.104954
Geier, C., Bouchal, J. M., Ulrich, S., Uhl, D., Wappler, T., Wedmann, S., Zetter, R., & Grimsson, F. (2023). Collecting in situ/adhered pollen from fossil compressed angiosperm flowers. Review of Palaeobotany and Palynology, 310, 1-6. [104831]. https://doi.org/10.1016/j.revpalbo.2022.104831
Geier, C., Bouchal, J. M., Ulrich, S., Wappler, T., & Grimsson, F. (2023). Fossil Onagraceae flower and insects with in situ or adhered pollen from the Eocene of Eckfeld, Germany. In Abstract EGU23 [EGU23-6116] https://doi.org/10.5194/egusphere-egu23-6116
Geier, C., Bouchal, J. M., Ulrich, S., Uhl, D., Wappler, T., Wedmann, S., Zetter, R., Schönenberger, J., & Grimsson, F. (2023). Potential pollinators and paleoecological aspects of Eocene Ludwigia (Onagraceae) from Eckfeld, Germany. Palaeoworld. https://doi.org/10.1016/j.palwor.2023.07.003
Bouchal, J. M., Geier, C., Ulrich, S., Wilde, V., Lenz, O. K., Zetter, R., & Grimsson, F. (2023). Revisiting the Messel palynoflora using a combined LM and SEM approach. Abstracts of the European Geosciences Union General Assembly, 2023. https://doi.org/10.5194/egusphere-egu23-6499
Geier, C., Bouchal, J. M., Nel, A., Ngo-Muller, V., Schönenberger, J., Uhl, D., Ulrich, S., Wappler, T., Wedmann, S., & Grimsson, F. (2023). The history of European Paleogene flower-insect interactions unraveled using fossil flowers and insects and their associated pollen grains. In 24th Annual Meeting of the Society of Biological Systematics: Programme and Abstracts (pp. 21-22)
Geier, C., Bouchal, J. M., Nel, A., Ngo-Muller, V., Oberleitner, S., Uhl, D., Ulrich, S., Wappler, T., Wedmann, S., Zimmermann, D., & Grimsson, F. (2023). Tilioideae-Anthophila interactions in the Cenozoic of Europe. In Life and Planet 2023: Full Programme with Abstracts (pp. 63-64)

2022

Geier, C., Bouchal, J. M., Ulrich, S., Gross, M., Zetter, R., Denk, T., & Grimsson, F. (2022). Paleovegetation and paleoclimate inferences of the early late Sarmatian palynoflora from the Gleisdorf Fm. at Gratkorn, Styria, Austria. Review of Palaeobotany and Palynology, 307, [104767]. https://doi.org/10.1016/j.revpalbo.2022.104767
Showing entries 1 - 20 out of 22

Geier, C. (2022) The late middle Miocene palynoflora of Gratkorn, Styria, Austria. University of Vienna (Masterthesis)

Geier, C. (2020) Investigations to the distribution of Microthlaspi erraticum and Microthlaspi perfoliatum in eastern Austria using ITS based phylogeny. University of Vienna (Bachelorthesis)