University of Arkansas Herbarium (UARK)
@uarkherbarium.bsky.social
120 followers 150 following 17 posts
Natural history collection in the Department of Biological Sciences on the University of Arkansas campus, documenting the diversity and distribution of the plants of Arkansas and beyond since 1875.
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uarkherbarium.bsky.social
Master’s student @arisaemaguy.bsky.social focuses on the Arisaema triphyllum species complex. It has been subject to numerous taxonomic revisions over the past 200 yrs. Morgan is utilizing morphometrics, on both the macro & micro scales, to help herbaria distinguish between the species.
uarkherbarium.bsky.social
Last weekend, Burnetta Hinterthuer was awarded our Eric & Milanne Sundell Award to recognize the impact she has on native plants in Arkansas, including being a mentor to collections manager, @jenoglesplants.bsky.social. @andrewruegsegger.bsky.social president-elect of the ANPS planned the meeting.
uarkherbarium.bsky.social
Fieldwork in Brazil to understand how new plant species evolve? Pedro Pezzi @pedropezzi.bsky.social and Maribeth Latvis @maribethlatvis.bsky.social are taking a multi-pronged approach in Agalinis to understand morphological shifts and species interactions during rapid diversification
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maribethlatvis.bsky.social
We were thrilled to host a series of Kaleidoscope Science events! We used screen printing as a medium to explore how multiple layers combine to enhance our understanding of biodiversity.
We printed Agalinis fasciculata!
@uarkherbarium.bsky.social
uarkherbarium.bsky.social
We're hosting a Kaleidoscope Science event this weekend! Join us Sunday, April 13 5:30-8:30 at the BISC Greenhouse, 518 S. Eastern Ave, Fayetteville.
Reposted by University of Arkansas Herbarium (UARK)
maribethlatvis.bsky.social
Prairie Practice and Pedagogy gallery opening: UArk Fine Arts in collaboration with @uarkherbarium.bsky.social
🤝. Kids these days with their punk rock plant zines 🥲
uarkherbarium.bsky.social
So here's a cool thing we're doing with the UA School of Art this weekend. Reception is Friday, March 14 at 6:00 at the sUgAR Gallery, in the lower level of the Pryor Center, 1 E. Center St., downtown Fayetteville. Camille Gros - sweet flyer!
uarkherbarium.bsky.social
@phylojennatics.bsky.social and @rlsavage.bsky.social, botanists and PhD students with the @maribethlatvis.bsky.social Lab in the Dept. of Biological Sciences at the @uarkansas.bsky.social recently taught students about botany, plant collecting, and biodiversity at the Holcomb Elementary STEM Night!
uarkherbarium.bsky.social
Thanks to the 30 who came to Smith Creek Preserve on Sat! @jenoglesplants.bsky.social & @andrewruegsegger.bsky.social led the group to Elise Falls, pointing out plants along the way. Highlights: Aplectrum hyemale & Tipularia discolor in leaf, Hamamelis vernalis & Erythronium albidum in flower.
uarkherbarium.bsky.social
Welcome back to UARK, Sarah J! Dr. Sarah Jacobs, U of A alum, was our dept seminar speaker this week. Assistant Curator of Botany and Howell Chair of Western North American Botany at @calacademy.bsky.social, Dr. Jacobs studies paintbrushes (Castilleja) & gave a fascinating talk about the group.
Reposted by University of Arkansas Herbarium (UARK)
ca-naturalist.bsky.social
Very excited to introduce the newest genus of wild sunflowers, a tiny desert annual covered in dense wool and heads with just two small ray florets.

Ovicula biradiata, a new Composite from Big Bend National Park in Trans-Pecos Texas doi.org/10.3897/phyt... via @phytokeys.pensoft.net
Reposted by University of Arkansas Herbarium (UARK)
andrewlhipp.bsky.social
The most recent lecture I gave on Oak Origins at The Morton Arboretum was really nicely recorded and is available for free online. This is the fullest and cleanest version of the lecture I've given to date, with some new info.

I hope you enjoy it. Feel free to share.

vimeo.com/1057955943
Oak Origins
On February 15, 2025, The Morton Arboretum hosted a lecture in honor of the release of Dr. Andrew Hipp's book Oak Origins: From Acorns to Species and the…
vimeo.com
Reposted by University of Arkansas Herbarium (UARK)
andrewlhipp.bsky.social
Just giving a tour to some visitors and remembered this pandemic project: a Quarantine Public Library zine answering the question, What is an Herbarium?

Print, fold, cut, and you have a little book! Free to share.

www.quarantinepubliclibrary.com/what-is-an-h...

(@barbarathiers.bsky.social!)
uarkherbarium.bsky.social
Winter wins, for now... we're rescheduling this trip for Saturday, March 1 and hoping for favorable conditions!
uarkherbarium.bsky.social
***TRIP POSTPONED UNTIL MARCH 1***
Hey everyone! Major roads may be clearing as temps increase over the next couple days, but side roads and the steep trails in the narrow valley at Smith Creek are likely to still be dicey by this weekend. So we're postponing this trip until next Saturday, March 1.
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uarkherbarium.bsky.social
Repair, before & after | Arisaema dracontium | 1869 | Ames, IA

Collector is unknown, but native Iowan F.L. Harvey likely brought this along when he was hired as faculty @ the U of A (then the Arkansas Industrial University). Thanks @llennodo.bsky.social for flagging this specimen!
uarkherbarium.bsky.social
Our unofficial mascot Sam the Dog relaxed today as her person, U of A senior Rowan Offutt, worked in the collection, long-time volunteer @llennodo.bsky.social digitized specimens, & UARK field technician @andrewruegsegger.bsky.social identified plants collected during field work last year.
uarkherbarium.bsky.social
UARK is bustling today! Volunteers @dgwalt.bsky.social @auxarcwildflowers.bsky.social @staymoreark.bsky.social and grad student @arisaemaguy.bsky.social mounted plants and worked on insect mgmt, while local artist (and recent UA grad) Riley Moore came in to draw grasses.
uarkherbarium.bsky.social
Winter Schminter, we're going botanizing! Join @jenoglesplants.bsky.social & @andrewruegsegger.bsky.social for a hike at @nature.org 's Smith Creek Preserve.

Cold weather won't stop us, but rain, snow, or ice will so find news and cancellation info at biology.uark.edu/herbarium/events.php.
Winter Botany Hike @Smith Creek Preserve, February 22, 10 am to 1 pm.
Sponsored by the University of Arkansas Herbarium & Arkansas Native Plant Society.
uarkherbarium.bsky.social
A few mosses we saw growing on Ozark sandstone outcrops during a recent hike. UARK has uploaded all of the nearly 3,000 preserved #bryophytes (mosses, liverworts, and hornworts) in its collection to bryophyteportal.org.