Presentations
Departmental seminars/colloquia & public lectures
2021—“The diversity of the Neogene Gray Fossil Site paleoflora and its importance to understanding the modern flora of eastern North America.” Atlanta Botanical Garden Science Café (virtual). September 16, 2021. YouTube video of presentation
2021—“The early Pliocene (ca. 4.9–4.5 million-year-old) Gray Fossil Site fruit and seed flora: A rare Neogene flora from the Appalachian region.” Plant Biology Section, School of Integrative Plant Science (SIPS), Cornell University (Ithaca, New York). April 30, 2021.
2019—"Diversity and significance of the Gray Fossil Site fruit and seed flora." Gray Fossil Site/Hands On! Discovery Center (Gray, Tennessee). May 15, 2019.
2018—"Plant Diversity in the Tertiary," History of Life Lecture Series, Museum of the Earth (Ithaca, New York). November 5, 2018.
2017—"How to identify a water clover in deep time: The fossil record and evolution of Marsileaceae." Department of Environmental and Plant Biology, Ohio University (Athens, Ohio). October 6, 2017. Link to abstract
2016—“The fossil record of water clovers.” Department of Geological Sciences, Ohio University (Athens, Ohio). February 12, 2016.
2015—“Water ferns, ancient wetlands, and a case of mistaken identity.” Department of Ecology and Evolutionary Biology, University of Michigan (Ann Arbor, Michigan). October 1, 2015. YouTube video of presentation
2014—“Exploring the ancient woods and wetlands of Patagonia: field work and fossil floras.” Geology Club at San José State University, San José State University (San Jose, California). March 3, 2014.
2018—"Plant Diversity in the Tertiary," History of Life Lecture Series, Museum of the Earth (Ithaca, New York). November 5, 2018.
2017—"How to identify a water clover in deep time: The fossil record and evolution of Marsileaceae." Department of Environmental and Plant Biology, Ohio University (Athens, Ohio). October 6, 2017. Link to abstract
2016—“The fossil record of water clovers.” Department of Geological Sciences, Ohio University (Athens, Ohio). February 12, 2016.
2015—“Water ferns, ancient wetlands, and a case of mistaken identity.” Department of Ecology and Evolutionary Biology, University of Michigan (Ann Arbor, Michigan). October 1, 2015. YouTube video of presentation
2014—“Exploring the ancient woods and wetlands of Patagonia: field work and fossil floras.” Geology Club at San José State University, San José State University (San Jose, California). March 3, 2014.
Selected presentations & posters at meetings
2022
Hendricks, J., E. Hermsen, A. Muraca, I.H.H. Zabel, R.M. Ross, and D. Haas. 2022. Earth@Home regional guides to the Earth science of the United States. The Geological Society of America Connects 2022, Denver, Colorado (poster). https://doi.org/10.1130/abs/2022AM-377947
Hermsen, E.J. 2022. Seeds of Passiflora subgenus Decaloba from the early Pliocene Gray Fossil Site of Tennessee. Mid-continent Paleobotanical Colloquium 2022, Oak Spring Garden Foundation, Upperville, Virginia (talk, no abstract submitted).
Hermsen, E.J. 2022. Update on the Pliocene Gray Fossil Site (Tennessee, U.S.A.) macrofossil flora: Diversity and biogeography. Botany 2022 (talk, given virtually). https://2022.botanyconference.org/engine/search/index.php?func=detail&aid=726
2021
Correa, J.*, S. Manchester, E.J. Hermsen, and S.E. Allan. 2021. Tracing the fossil record of Landeenia aralioides to its family – additional characters and a morphological comparison to Sapindales. Botany 2021, Virtual Botany Conference (talk). Link
Hendricks, J.*, R.M. Ross, D. Haas, I.H.H. Zabel, and E.J. Hermsen. 2021. Earth@Home: A new open access website to help geoscience educators and their students learn about the Earth where they live. The Geological Society of America Connects 2021 (talk, given virtually). https://doi.org/10.1130/abs/2021AM-367695
Hermsen, E.*, H. Blume, P. Cohen, D. Haas, J. Hendricks, and A. Moore. 2021. Daring to Dig: Women in American Paleontology. The Geological Society of America Connects 2021 (talk, given virtually). https://doi.org/10.1130/abs/2021AM-368772
Hermsen, E.J.* 2021. Seeds of Zanthoxylum (Rutaceae) from the Pliocene Gray Fossil Site, Tennessee, U.S.A. Botany 2021, virtual conference (talk). Link
Matel, T.*, M.A. Gandolfo, E.J. Hermsen, and P. Wilf. 2021. New reproductive structures of Cunonioaceae tribe Cunonieae from the early Eocene Laguna del Hunco flora, Chubut, Patagonia, Argentina. 37th Midcontinent Paleobotanical Colloquium (talk, given virtually). [Note: Abstract is in Oral session 4.] Link to meeting abstracts
Matel, T.*, M. Gandolfo, E.J. Hermsen, and P. Wilf. 2021. New reproductive structures of Cunonioaceae tribe Cunonieae from the early Eocene Laguna del Hunco flora, Chubut, Patagonia, Argentina. Botany 2021, Virtual Botany Conference (talk). Link
2020
Hermsen, E.J.* 2020. Fossil Passiflora seeds from Gray Fossil Site (Pliocene, Tennessee, U.S.A.). Botany 2020, Virtual Botany Conference. Link to abstract
Jud, N.A.*, F. De Benedetti, E.J. Hermsen, and M.A. Gandolfo. 2020. A Bayesian approach to estimating the phylogeny of Azolla. Virtual Midcontinent Paleobotanical Colloquium 2020. Link to meeting abstracts
Jud, N.*, F. De Benedetti, E.J. Hermsen, and M. Gandolfo. 2020. Estimating the phylogeny of Azolla: a comparison between analysis of morphology and molecular data with and without tip-dating. Botany 2020, Virtual Botany Conference (poster). Link to abstract
Pier, J.Q.*, E. Hauf, J.A. Smith, E.J. Hermsen, and J.R. Hendricks. 2020. Pandemic paleontology: Teaching online using the Digital Atlas of Ancient Life Virtual Collection. Geological Society of America Annual Meeting (talk, given virtually). https://doi.org/10.1130/abs/2020AM-357601 Link to video
2019
Hermsen, E.J.* 2019. Passionflower-like seeds (Passifloroidesperma) from the Pliocene Gray Fossil Site of eastern North America and their biogeographic implications. Geological Society of America Annual Meeting (Phoenix, Arizona). https://doi.org/10.1130/abs/2019AM-340710
Hermsen, E.J.* 2019. Engelhardioid fruits from the Eocene of Patagonia and the paleobiogeography of Engelhardioideae. The International Symposium on Major Refugia of Relict Trees: Recent Advances in Research and Conservation (Shanghai, China). Link to abstract book on ResearchGate (pdf)
2018
Hendricks, J.R.*, E.J. Hermsen, and E. Hauf. 2018. The Digital Encyclopedia of Ancient Life (DEAL): An open access paleontology textbook. Geological Society of America Annual Meeting (Indianapolis, Indiana). https://doi.org/10.1130/abs/2018AM-318607
Hermsen, E.J.* 2018. Taxonomic composition of the Neogene Gray Fossil Site carpoflora (Tennessee, USA). [Poster] Botany 2018 (Rochester, Minnesota). Link to abstract
Hermsen, E.J.* 2018. Taxonomic composition of the Neogene Gray Fossil Site carpoflora (Tennessee, USA). [Poster] Botany 2018 (Rochester, Minnesota). Link to abstract
Hermsen, E.J.*, and J.R. Hendricks. 2018. The Digital Encyclopedia of Ancient Life (DEAL): An open access, online paleontology textbook. 35th Midcontinent Paleobotanical Colloquium (Athens, Ohio).
Jud, N.A.*, F. De Benedetti, E.J. Hermsen, and M.A. Gandolfo. 2018. Azolla sporophytes with attached sporocarps from the early Paleocene (Danian) Salamanca Formation, Patagonia, Argentina. 35th Midcontinent Paleobotanical Colloquium (Athens, Ohio).
Jud, N.A.*, F. De Benedetti, E.J. Hermsen, and M.A. Gandolfo. 2018. An organismal concept for fossil Azolla from the early Paleocene (Danian) Salamanca Formation, Patagonia, Argentina. Botany 2018 (Rochester, Minnesota). Link to abstract
Quirk, Z.*, and E.J. Hermsen. 2018. Neogene Corylopsis seeds from eastern Tennessee. 35th Midcontinent Paleobotanical Colloquium (Athens, Ohio).
Siegert, C.*, and E.J. Hermsen. 2018. Structure and affinities of a novel type of endocarp from the Gray Fossil Site, Tennessee. 35th Midcontinent Paleobotanical Colloquium (Athens, Ohio).
2017
Hermsen, E.J.*, N.A. Jud, and M.A. Gandolfo. 2017. Cretaceous-Paleogene mosquito ferns (Azolla) from Patagonia (Chubut Province, Argentina). Geological Society of America Annual Meeting (Seattle, Washington). https://doi.org/10.1130/abs/2017AM-307173Hermsen, E.J.*, and M.A. Gandolfo. 2017. Fossil mosquito ferns (Azolla) from Patagonia. 11th Annual Summer Symposium at the Paleontological Research Institution (Ithaca, New York). [No abstract]
Hermsen, E.J.* 2017. Progress and pitfalls in understanding the fossil record of the water clover family (Marsileaceae). 34th Midcontinent Paleobotanical Colloquium (Ann Arbor, Michigan). Link to abstract
Welker, S.*, C. Siegert, and E.J. Hermsen. 2017. Enigmatic four-chambered fruits from the Neogene Gray Fossil Site, eastern Tennessee. [Poster] 34th Midcontinent Paleobotanical Colloquium (Ann Arbor, Michigan). Link to meeting abstracts
2016
Hermsen, E.J.* 2016. Fossil water clovers and
wannabees. 10th Annual Summer Symposium at the Paleontological
Research Institution (Ithaca, New York). [No abstract]
Hermsen, E.J.* 2016. Water clovers and their pretenders. 33rd Northeast-Midcontinent Paleobotanical Colloquium (Ithaca, New York).
Hermsen, E.J., M.A. Gandolfo*, P. Wilf, and M.J. Carvalho. 2016. The utility of phylogenetic analyses for interpreting fossil floras: A case study from Eocene South America. 35th Annual Meeting of the Willi Hennig Society and XII Reunión de Cladística y Biogeografia (Buenos Aires, Argentina).
Hermsen, E.J.* 2016. Water clovers and their pretenders. 33rd Northeast-Midcontinent Paleobotanical Colloquium (Ithaca, New York).
Hermsen, E.J., M.A. Gandolfo*, P. Wilf, and M.J. Carvalho. 2016. The utility of phylogenetic analyses for interpreting fossil floras: A case study from Eocene South America. 35th Annual Meeting of the Willi Hennig Society and XII Reunión de Cladística y Biogeografia (Buenos Aires, Argentina).
2015
Gandolfo, M.A.*, M.C. Zamaloa, A. Archangelsky, S. Archangelsky, V. Barreda, N.R. Cúneo, E.J. Hermsen, A. Iglesias, M. Llorens, P.L. Narvaez, M.G. Passalia, V. Pérez Loinaze, L. Povilauskas, M.B. Prámparo, G.G. Puebla, M. Quattrocchio, E.J. Romero, P. Vallati, and P. Wilf. 2015. An updated comprehensive study of Cretaceous-Paleogene angiosperms from Argentina. Botany 2015 (Edmonton, Alberta, Canada). Link to abstract
Gandolfo, M.A.*, and E.J. Hermsen. 2015. Floral links between ancient Patagonia and the Northern Hemisphere. 32nd Midcontinent Paleobotanical Colloquium (Arcata, California).
Gandolfo, M.A., M.C. Zamaloa, and E.J. Hermsen*. 2015. What are the Miocene floras from Tierra del Fuego, Patagonia, Argentina, telling us? Botany 2015 (Edmonton, Alberta, Canada). Link to abstract
Gandolfo, M.A., M.C. Zamaloa, and E.J. Hermsen*. 2015. What are the Miocene floras from Tierra del Fuego, Patagonia, Argentina, telling us? Botany 2015 (Edmonton, Alberta, Canada). Link to abstract
Iglesias, A.*, M.A. Gandolfo, P.D. Wilf, R.J. Carpenter, and E.J. Hermsen. 2015. Registro de Cunoniaceae en el Paleógeno de Patagonia. XVI Simposio Argentino de Paleobotánica y Palinología (La Plata, Argentina).
2014
Gandolfo, M.A., E.J. Hermsen*, and M.C. Zamaloa. 2014. Why are Cenozoic paleofloras fundamental for understanding modern plant distributions? Paleontological Society Special Publication 13: 62-63. 10th North American Paleontological Convention (Gainesville, Florida). https://doi.org/10.1017/S2475262200011345
Gandolfo, M.A.*, M.C. Zamaloa, A. Archangelsky, S. Archangelsky, V. Barreda, N.R. Cúneo, E.J. Hermsen, A. Iglesias, M. Llorens, P.L. Narvaez, M.G. Passalia, V. Pérez Loinaze, L. Povilauskas, M.B. Prámparo, G.G. Puebla, M. Quattrocchio, E.J. Romero, P. Vallati, and P. Wilf. 2014. An updated comprehensive study of Cretaceous-Paleogene angiosperms from Argentina. 4th International Palaeontological Congress (Mendoza, Argentina).
Hermsen, E.J.*, M.A. Gandolfo, P. Wilf, and N.R. Cúneo. 2014. Beyond the Gondwanan expressway: Patagonian-northern hemisphere connections. Paleontological Society Special Publication 13: 64. 10th North American Paleontological Convention (Gainesville, Florida). https://doi.org/10.1017/S2475262200011382
Wilf, P., V.D. Barreda, W.C. Clyde, N.R. Cúneo, M.A. Gandolfo, E.J. Hermsen*, and A. Iglesias. 2014. Plants and their dates tell the animals’ west side story (early Paleogene of Patagonia, Argentina, West Gondwana). Paleontological Society Special Publication 13: 65-66. 10th North American Paleontological Convention (Gainesville, Florida). https://doi.org/10.1017/S2475262200011412
Wilf, P., V.D. Barreda, W.C. Clyde, N.R. Cúneo, M.A. Gandolfo, E.J. Hermsen*, and A. Iglesias. 2014. Plants and their dates tell the animals’ west side story (early Paleogene of Patagonia, Argentina, West Gondwana). Paleontological Society Special Publication 13: 65-66. 10th North American Paleontological Convention (Gainesville, Florida). https://doi.org/10.1017/S2475262200011412
2013
Cúneo, N.*, I. Escapa, M. Zamaloa, M.A. Gandolfo, and E.J. Hermsen. 2013. Dicksoniaceous ferns from the Cretaceous of Patagonia, Argentina. Botany 2013 (New Orleans, Louisiana). Link to abstract
Gandolfo, M.A.*, and E.J. Hermsen. 2013. A critical review of the fossil history of the southern hemisphere family Cunoniaceae. Botany 2013 (New Orleans, Louisiana). Link to abstract
Gandolfo, M.A.* and E.J. Hermsen. 2013. Floral links between ancient Patagonia and the Northern Hemisphere. VII Southern Connection Congress 2013 (Dunedin, New Zealand).
Hermsen, E.J.*, M.A. Gandolfo, M. Zamaloa, and N. Cúneo. 2013. Morphology of Azolla-like sporophytes and associated spores from the Late Cretaceous of Patagonia, Argentina. Botany 2013 (New Orleans, Louisiana). Link to abstract
Hermsen, E.J.*, and S.Y. Smith. 2013. What use is paleobotany anyhow? Using the fossil record to understand monocot evolution, past diversity, and biogeography. Monocots V, 5th International Conference on Comparative Biology of Monocotyledons (New York, New York).
2012
Cúneo, N.*, E.J. Hermsen, and M.A. Gandolfo. 2012. First fossil record of the aquatic fern Regnellidium in the Late Cretaceous of South America. Botany 2012 (Columbus, Ohio). Link to abstract
Gandolfo, M.A.*, N.R. Cúneo, E.J. Hermsen, and J. Gallego. 2012. Aquatic plant communities from the Upper Cretaceous La Colonia Formation, Patagonia, Argentina. Japanese Journal of Palynology 58 (Special Issue, Abstracts: IPC/IOPC 2012): 66. (Tokyo, Japan). https://doi.org/10.24524/jjpal.58.Special_66_2
Gandolfo, M.A.* and E.J. Hermsen. 2012. The emerging Patagonian fossil record of Cunoniaceae and its biogeographical significance. Japanese Journal of Palynology 58 (Special Issue, Abstracts: IPC/IOPC 2012): 66-67. (Tokyo, Japan). https://doi.org/10.24524/jjpal.58.Special_66_3
Hermsen, E.J.*, and M.A. Gandolfo. 2012. Fossil fruits of Engelhardioideae: exploring the Patagonian-northern hemisphere connection in the fossil record. Japanese Journal of Palynology 58 (Special Issue, Abstracts: IPC/IOPC 2012): 84. (Tokyo, Japan). https://doi.org/10.24524/jjpal.58.Special_84_1
Hermsen, E.J.*, and M.A. Gandolfo. 2012. A planned database for vetted fossil calibrations. Recent Topics Poster, Botany 2012 (Columbus, Ohio). Link to abstract
Hermsen, E.J.*, and M.A. Gandolfo. 2012. A planned database for vetted fossil calibrations. Recent Topics Poster, Botany 2012 (Columbus, Ohio). Link to abstract
Hermsen, E.J.*, M.A. Gandolfo, and N.R. Cúneo. 2012. Marsileaceaephyllum leaflets and associated sporocarps and spores from the Cañadón del Irupé locality, Upper Cretaceous La Colonia Formation, Chubut Province, Argentina. Botany 2012 (Columbus, Ohio). Link to abstract
2011
Hermsen, E.J.*, and M.A. Gandolfo. 2011. Early Eocene winged fruits of the Walnut Family (Juglandaceae) from Patagonia, Argentina. XVIII International Botanical Congress (Melbourne, Australia).
Hermsen, E.J., M.A. Gandolfo*, K.R. Johnson, M.C. Zamaloa, K.C. Nixon, P.Wilf, and N.R. Cúneo. 2011. Eucalyptus from the early Eocene of Patagonia, Argentina: phylogenetic, biogeographic, and ecological implications for understanding eucalypt evolution. XVIII International Botanical Congress (Melbourne, Australia).
Hermsen, E.J., M.A. Gandolfo, P. Wilf, N.R. Cúneo, and K.R. Johnson. Systematics and morphology of selected angiosperm reproductive structures from the Eocene Laguna del Hunco flora, Chubut Province, Argentina. ePoster, XVIII International Botanical Congress (Melbourne, Australia).
Hermsen, E.J., M.A. Gandolfo*, K.R. Johnson, M.C. Zamaloa, K.C. Nixon, P.Wilf, and N.R. Cúneo. 2011. Eucalyptus from the early Eocene of Patagonia, Argentina: phylogenetic, biogeographic, and ecological implications for understanding eucalypt evolution. XVIII International Botanical Congress (Melbourne, Australia).
Hermsen, E.J., M.A. Gandolfo, P. Wilf, N.R. Cúneo, and K.R. Johnson. Systematics and morphology of selected angiosperm reproductive structures from the Eocene Laguna del Hunco flora, Chubut Province, Argentina. ePoster, XVIII International Botanical Congress (Melbourne, Australia).
2010
Hermsen, E.J.* 2010. The historical biogeography of Itea—an eastern North American-eastern Asian-eastern African disjunct taxon—based on its fossil record. Recent Topics Poster, Botany 2010 (Providence, Rhode Island). Link to abstract
Hermsen, E.J.*, M. Gandolfo, P. Wilf, N. Cúneo, K. Johnson, and A. Iglesias. 2010. New angiosperm reproductive structures from the early Eocene Laguna del Hunco flora, Chubut Province, Argentina. Botany 2010 (Providence, Rhode Island). Link to abstract
Nixon, K., E. Hermsen*, and M. Gandolfo. 2010. Phylogenetic component of Patagonian seed plant diversity. VI Southern Connection Congress, Gondwana reunited: a Southern Perspective for a Changing World (Bariloche, Argentina).
2007
Hendricks, J.R.*, and E. Hermsen. 2007. Paleontologically informed supermatrices: fossils and phylogenetics in the age of genomics. Geological Society of America Joint South-Central and North-Central Sections 41st Annual Meeting (Lawrence, Kansas). Link to abstract
Hermsen, E.J.*, T.N. Taylor, and E.L. Taylor. 2007. An unusual structure (ovule?) from the Middle Triassic of Antarctica. Botany & Plant Biology 2007 Joint Congress (Chicago, Illinois). Link to abstract
2006
Hermsen, E.J.* 2006. Elucidating the diversification of saxifragalean lineages through simultaneous analysis including extant and fossil taxa. Botany 2006 (Chico, California). Link to abstract
Hermsen, E.J.*, and J.R. Hendricks. 2006. Contributions of fossil taxa to understanding morphological character evolution. Botany 2006 (Chico, California). Link to abstract
Hermsen, E.J.*, T.N. Taylor, E.L. Taylor, and D.Wm. Stevenson. 2006. The Triassic cycad Antarcticycas: an early representative in the age of cycads. Botany 2006 (Chico, California). Link to abstract
1999-2005
Hermsen, E.J.*, K.C. Nixon, and W.L. Crepet. 2005. Fossil reproductive structures of Saxifragales and saxifrage evolution. XVII International Botanical Congress (Vienna, Austria).
