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California Botanical Society @calbotsoc.bsky.social · 02/10/2026

"Kate, thank you for all that you do to support us! I am so grateful to be your student" - Teddy

California Botanical Society @calbotsoc.bsky.social · 02/10/2026

We recently got an Aster nomination for Dr. Kate Ostevik! In the brief couple of hours that I spent with the Ostevik Lab group preparing for our media series on the lab, all I heard was the love and appreciation that students had for Dr. Ostevik!

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California Botanical Society @calbotsoc.bsky.social · 30/09/2026

California’s extraordinary floral diversity provides an opportunity to understand the processes that generate and maintain biodiversity. In the Ostevik lab, we study plant diversification through two complementary lenses: adaptation and speciation.

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California Botanical Society @calbotsoc.bsky.social · 30/09/2026

Happy to announce that Dr. Kate Ostevik will be October’s Plant Speaker for the California Botanical Society! Hopefully you caught our posts about her 4 graduate students this past month! Happy to present Dr. Kate Ostevik’s talk about: “Lessons from California’s Flora Diversity”

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California Botanical Society @calbotsoc.bsky.social · 28/09/2026

In a study by Walter Koenig et al., they compared acorn production in Tanoak (insect-pollinated) and true oaks (wind-pollinated). Comparing long-term acorn production data for Tanoak and Cali true oaks, testing the hypothesis that Tanoak shows less evidence of masting behavior than true oaks

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California Botanical Society @calbotsoc.bsky.social · 24/09/2026

Are you interested in submitting a nomination for who will be Keynote Speaker at the 31st Grad Student Symposium? Use the QR Code or use the link in our Bio to submit a submission! padlet.com/joysofscienc...

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California Botanical Society @calbotsoc.bsky.social · 23/09/2026

Look at all the California Botanists, that we got to meet at Botany 2026! I was looking through the backlog of my Botany photos and found this gem.

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California Botanical Society @calbotsoc.bsky.social · 22/09/2026

The link is in our bio, or just search California Botanical Society on Youtube

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California Botanical Society @calbotsoc.bsky.social · 22/09/2026

We recently uploaded our talk by Jodi McGraw, where they discussed the effects of wildfires on the conservation of endangered tree species endemic to the Santa Cruz Mountains. If you are interested, please visit our YouTube

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California Botanical Society @calbotsoc.bsky.social · 21/09/2026

Rachel E. Friesen and Dena L. Grossenbacher, they resurveyed historic vegetation plots spanning 2800 to 3800 m, from conifer forests to alpine fell-fields. In this study, they asked: How have alpine plant communities changed over the last three decades? And are there indicators of potential refugia

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California Botanical Society @calbotsoc.bsky.social · 18/09/2026

As we prepare to host the 31st Graduate Student Symposium, we are currently accepting suggestions for potential Keynote Speakers for the Banquet! If you have anyone you would be interested in delivering a keynote, please scan the QR Code or use the link in our bio to leave a suggestion

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California Botanical Society @calbotsoc.bsky.social · 16/09/2026

The day will be packed with student presentations, field trips, and workshops, and we will end the day with a Banquet and a Keynote Speaker. We will soon share more information about registration, presentation submissions, and more!

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California Botanical Society @calbotsoc.bsky.social · 16/09/2026

We are happy to announce that the 31st Annual Graduate Student Symposium will be taking place at Fresno State on April 10th, 2027, in Fresno, California! Please join us in celebrating students conducting botanical research in California!

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California Botanical Society @calbotsoc.bsky.social · 16/09/2026

Did you miss Travis Columbus's wonderful talk last week? Worry not, for the recording is now officially on our Youtube Channel! Check out the video, and stay tuned for more CalBotSoc Botany Speakers! #botany #calibotany

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California Botanical Society @calbotsoc.bsky.social · 15/09/2026

Have you recently conducted fieldwork in the past couple of months, or are you planning to conduct fieldwork? CalBotSoc is looking for people interested in sending us photos and stories about where, why, and how you conducted your fieldwork!

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California Botanical Society @calbotsoc.bsky.social · 11/09/2026

We are happy to introduce Gangothri, a 4th-year Ph.D. student in the Ostevik Lab at UC Riverside! With this post, we officially wrap up our coverage of the Ostevik Lab! It was great to meet all their wonderful students and have them join the CBS social media team! @osteviklab @sgangothri

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California Botanical Society @calbotsoc.bsky.social · 09/09/2026

Tune into tomorrow to listen to J. Travis Columbus give a talk at CalBotSoc's Botany Speaker Series! More detials below: Diversification and Classification of Wild Buckwheats (Eriogonum) and Relatives—the Big Picture

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California Botanical Society @calbotsoc.bsky.social · 08/09/2026

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California Botanical Society @calbotsoc.bsky.social · 04/09/2026

We are happy to introduce Teddy Reitman, a 3rd-year Ph.D. Student at UC Riverside from the Ostevik Lab! @osteviklab @rreit_mann

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California Botanical Society @calbotsoc.bsky.social · 03/09/2026

Nominate an Aster! Do you have someone who was a great influence in your botanical career, or would you like to highlight all the great work they have done? Links are in our bio for submissions! Nominate someone today!

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California Botanical Society @calbotsoc.bsky.social · 02/09/2026

Diversification and Classification of Wild Buckwheats (Eriogonum) and Relatives—the Big Picture

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California Botanical Society @calbotsoc.bsky.social · 02/09/2026

Happy to announce that our speaker for CalBotSoc’s Botany Speaker Series on September 10th will be the new President of CalBotSoc, J. Travis Columbus, from the California Botanical Garden!

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California Botanical Society @calbotsoc.bsky.social · 01/09/2026

If you are interested in floristic studies, I recommend watching our recently uploaded talk by Nina House from the Jepson Herbarium team! During this talk, she discussed her research conducting floristic surveys in the Sierra Nevadas, as well as the importance of Herbaria, and much more!

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California Botanical Society @calbotsoc.bsky.social · 01/09/2026

The results show that direct conservation intervention and careful genetic management of in-situ populations are necessary to achieve recovery goals for L. maximum If interested in reading more, use the link below: doi.org/10.3120/0024...

doi.org

https://doi.org/10.3120/0024-9637-260019

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California Botanical Society @calbotsoc.bsky.social · 01/09/2026

Lithophragma maximum is a narrow endemic, restricted to San Clemente Island. Classified as Endangered under both the California and the Federal Endangered Species Act. In this study by Kristen Hasentsab-Lehman et al, they assess the genetic diversity of the species across its range using ddRADseq.

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California Botanical Society @calbotsoc.bsky.social · 28/08/2026

Happy to introduce Brennan Silva, a current Ph.D. Candidate at UC Riverside in the Evolution, Ecology, and Organismal Biology Department! As we continue to learn more about the Ostevik Lab, and the great students within the lab! #homegrown

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California Botanical Society @calbotsoc.bsky.social · 24/08/2026

Their results suggest that while pig disturbance had acute short-term effects, the most enduring legacy may be the non-native-dominated communities that became established in the late 19th century. If interested in reading more, use link below: doi.org/10.3120/0024...

doi.org

https://doi.org/10.3120/0024-9637-260008

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California Botanical Society @calbotsoc.bsky.social · 24/08/2026

In a study, Annie Meeder et al examined Santa Cruz Island (SCI) as a compelling case study in the legacy effects of disturbances. Having undergone a century of intensive grazing by cattle, feral sheep, and rooting by feral pigs, followed by large-scale eradication and fire management interventions

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California Botanical Society @calbotsoc.bsky.social · 21/08/2026

We just published an old Botany Speaker recording on our YouTube!! Search for us on YouTube to find Carrie M. Tribble talking about "From the High Andes to the Pacific Northwest: evolution and biogeography of geophytic plants"

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California Botanical Society @calbotsoc.bsky.social · 21/08/2026

Happy to announce that in the coming weeks, we will have the opportunity to learn more about the Ostevik Lab and its Ph.D. students! The first in our upcoming series will be Rajesh Neupane, who is studying Drought Adaptation in Wild Sunflowers! #homegrown #californiabotany #calbotsoc #botany

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California Botanical Society @calbotsoc.bsky.social · 20/08/2026

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California Botanical Society @calbotsoc.bsky.social · 18/08/2026

For this week's Botanical Outreach, we received a request from a lecturer from the University of Baltistan in Pakistan! #botanicaloutreach

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California Botanical Society @calbotsoc.bsky.social · 17/08/2026

If you are interested in learning how they elucidated the hybrid oak relationships using nuclear and chloroplast genome sequencing data, use the link below: doi.org/10.3120/0024...

doi.org

https://doi.org/10.3120/0024-9637-260014

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California Botanical Society @calbotsoc.bsky.social · 17/08/2026

Hybridization is common among plant taxa, and interspecific hybridization has played a major role in plant evolution, including speciation events, adaptive introgression, and range expansion. The authors investigate reports of hybrid oaks to further assess their relationships.

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California Botanical Society @calbotsoc.bsky.social · 15/08/2026

Interested in watching Nancy Morin's talk about Nemacladus, we just published the recording of their talk on our Youtube Channel!

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California Botanical Society @calbotsoc.bsky.social · 14/08/2026

Are you conducted any botanical research, and want to spread awareness of your work and what you have accomplished? Every Friday, CalBotSoc will be posting about botanical research around the Western America! #homegrown

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California Botanical Society @calbotsoc.bsky.social · 14/08/2026

Nominate an Aster! Do you have someone that was a great influence in your botanical career, or just highlight all the great work they have done? The links are in our bio for a submission! Nominate someone today! #ourasters

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California Botanical Society @calbotsoc.bsky.social · 12/08/2026

We are currently processing through the backlogs of previous recordings that haven't been published just yet, so hold on tight with us! If you are interested, you can visit our youtube channel: The California Botanical Society Link to the channel is in our Bio as well! #botany

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California Botanical Society @calbotsoc.bsky.social · 12/08/2026

Are you interested in learning about biology and evolution of Aytoniaceae? We just published, Ixcel González-Ramirez's talk, "Studies on the biology and evolution of Aytoniaceae: a liverwort way of being a land plant" on our Youtube!

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California Botanical Society @calbotsoc.bsky.social · 11/08/2026

Have you recently conducted Botanical Outreach! We are looking to showcase your community service and how you are promoting botany within your community!

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California Botanical Society @calbotsoc.bsky.social · 10/08/2026

If you are interested in learning more about island ecosystems and the biogeography of the California Islands, their communities, and taxa! You can read more using the link below! doi.org/10.3120/0024...

doi.org

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California Botanical Society @calbotsoc.bsky.social · 10/08/2026

Despite making up only 6.7% of Earth's land area, Islands harbor a large proportion of global biodiversity and support high levels of endemism! In a paper by C. M. Guilliams et al, they focus on the California Islands, a loose archipelago of 16 islands along the coast of western North America.

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California Botanical Society @calbotsoc.bsky.social · 09/08/2026

If you are interested in hearing his talk, click this link; the recording will also be posted at a later date: calbotsoc.org/home/botany-...

calbotsoc.org

Botany Speaker Series - California Botanical Society

Photo Credit: Mitchell Coleman

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California Botanical Society @calbotsoc.bsky.social · 09/08/2026

We are happy to announce that our Botany Speaker for August 13th (Thursday) is Tito Abbo, a recent PhD graduate from UC Riverside, with an interest in plant phylogenetics, hybridization, taxonomy, and herbarium curation!

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California Botanical Society @calbotsoc.bsky.social · 06/08/2026

We had many great poster discussions with Botanists studying plants in the American West! @botanicalsocietyofamerica

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