Jenn Weber, PhD: Eco/Evo of flowering plants
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Summary of Spring/Summer/Fall 2026

9/3/2026

 
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Things were busy again in the Weber Lab! This summer and fall Leidy (PhD candidate) is working on the final chapter of her dissertation and preparing to submit more papers for publication. Meanwhile, she is waiting for the review of a short paper on the chromosome number characterization of several Triodanis species. She also published her second paper from her master's research earlier this year. If you are interested in vascular epiphytes or tropical flora, you can read it here: https://doi.org/10.21068/2539200X.1306.

Gabe (undergraduate researcher) has been involved in several projects. Wrapping up his summer at Missouri Botanical Garden’s REU, Gabe’s project focused on clarifying relationships in the enigmatic Casearia nigrescens complex (located in Madagascar) using morphological analysis. He got guidance from Dr. Wendy Applequist and Dr. Aaron Floden. Beginning spring semester, he’s starting his REACH project looking at herbarium specimens to find the impact of climate change on Legousia species endemic to the Mediterranean Basin. 

This summer, Holly (undergraduate researcher) completed a REACH project investigating the utility of mitochondrial DNA for resolving taxonomic complexities within Triodanis (co-advised with Dr. Neubig) and interned with the Illinois Department of Natural Resource Heritage Biologists, where she gained hands-on experience in land management, invasive species control, and natural history surveys across southern Illinois. She is now gearing up for DNA extractions from Dr. Weber’s European collections for future research, but she continues her collaborative work investigating the effects of prescribed fire on arthropod communities in southern Illinois tallgrass prairies with a particular focus on Formicidae (ants), as well as collecting fecal samples to investigate the arthropod diet of Archilochus colubris (Ruby Throated Hummingbird). Throughout the semester she plans to contribute to various projects and research needs across the Weber/Neubig Labs and the Center for Wildlife Sustainability Research labs.
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Dr. Weber decided to get busy too – she completed multiple weeks of fieldwork and herbarium visits in Europe as a part of a large NSF-funded collaborative project. Fieldwork was rewarding, though challenging, which is part of what makes it so fun.  Those data should inform many ongoing and future projects in the lab. 

Finally, the lab is excited to welcome new MS student, Andy Fernandez, who will be working on understanding phenological shifts and climate sensitivity in the NA clade including Triodanis and the Mediterranean clade Legousia. 

Spring and Autumn 2024

12/18/2024

 
This year will begin with graduation of Keegan (MS). Keegan undertook a novel and ambitious approach to studying hybrid zones of Triodanis perfoliata and Triodanis biflora. In the same semester, Sarah Lukavsky completed her Bachelor's degree. More wonderful news arrived with lab funding from the National Science Foundation to study Mediterranean biodiversity, focusing on bellflower (Campanulaceae) evolutionary history for the next several years. Some of this work developed from field work in the Mediterranean Basin involving Dr. Weber, and lab collaborator Dr. Andy Crowl over the past two summers.
The autumn semester brings a new graduate student to the lab, Kaya Young! Kaya is interested in examining germination cues and phenological implications under climate change for Triodanis.
Both Kate Tillotson and Taylor Simmonds successfully published their research and Leidy Martinez was awarded a one year PhD fellowship.  Our semester ended on a super high note as Taylor successfully defended her PhD!

Pics below: Taylor Simmonds defending her PhD!; Kaleigh White goofing off while taking care of some Triodanis plants growing in the greenhouse for chromosome studies; a groups photo from a lab gathering (Kaleigh White, Dr. J Weber, Sarah Lukavsky, Keegan McConnell, Leidy Martinez, Taylor Simmonds, Dr. K Neubig)


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Fun Fieldwork is the Theme for 2023

8/14/2023

 
Busy as always and ever evolving the Weber lab continues to work (and play) hard. Spring of 2023 saw the arrival of a new graduate student, Leidy, and the graduation of another, Kate (MS). Lab work kept us all busy during the semester, but the real adventure came in May when grad student Keegan (with the assistance of lab mates Leidy and Sarah) set out on a journey to sample Triodanis hybrid zones across the Midwest. They visited several field stations such as Kessler Atmospheric and Ecological Field Station in OK, Hancock Biological Station in KY, Touch of Nature in IL, and other sites in AR and TN. They found hybrid zones between Triodanis perfoliata and Triodanis biflora in all five states visited, and Triodanis lamprosperma was present at several sites. Sarah stayed busy helping others with their field and lab work while also receiving the McNair scholarship and executing her own research project on the shifting phenology of Triodanis perfoliata. Taylor ditched the Triodanis field work to help another student conduct behavioral observations of poison dart frogs in Costa Rica, while there she had the great opportunity to visit the herbarium in the Museo Nacional de Costa Rica and the Universidad de Costa Rica to view pressed Triodanis specimens.  Continuing the tour of Latin American herbaria, Leidy Laura visited the largest herbarium in the southwest of Colombia, the CUVC of the Universidad del Valle. She found a large specimen of Triodanis biflora. Dr. Weber got in on the global herbarium fun as well, stopping by the Muséum National d'Histoire Naturelle in Paris, France during her Mediterranean fieldwork. 
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