Anne-Laure D 🌿
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aldpaleo.bsky.social
Anne-Laure D 🌿
@aldpaleo.bsky.social
1.8K followers 710 following 130 posts
Paleobotanist at @CNRSecologie.bsky.social & @umramap.bsky.social | (re)posts about fossil & living plants 🌲🌿🍂⛏️ Old posts are deleted.
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aldpaleo.bsky.social
Anne-Laure D 🌿 @aldpaleo.bsky.social · 2d
Check this blog post on our research on root sprouting in Permian trees here: plantlifebelowground.wordpress.com/2025/12/17/a... And check also the other posts, this is a great blog for people interested in #botany in general and plant life belowground in particular! 🌱🌳 #paleobotany #fossil #scicomm
Antarctic fossils show new evidence of rootsprouting in extinct trees
New research by Anne-Laure Decombeix at AMAP Lab in Montpellier, France, and Rudolph Serbet at the University of Kansas, USA. The image above shows the surface of a polished block of fossil peat fr…
plantlifebelowground.wordpress.com
aldpaleo.bsky.social
Pas de photo pour ce #FossilFriday mais pour les francophones vous pouvez m'écouter parler un peu de plantes fossiles pour la chronique Micro Labo de Radio Clapas 🌿⛏️
www.radioclapas.fr/portfolio/mi...
Micro Labo - Radio clapas
www.radioclapas.fr
December 19, 2025 at 10:18 AM
Reposted by Anne-Laure D 🌿
palevoprim.bsky.social
Camille Grohe, Vincent Lazzari (@palevoprim.bsky.social) et Thiery Ghislain @pleistogames.bsky.social vous présentent la bande-annonce du jeu vidéo Taphos, projet Dem’up de l’
@univpoitiers.bsky.social une immersion originale entre science et expérience interactive. @cnrsecologie.bsky.social
December 19, 2025 at 9:20 AM
Reposted by Anne-Laure D 🌿
paleobyliam.bsky.social
After illustrating quite a few ferns, I've now moved on to cycads! Here are some examples of Jurassic cycad morphology. With great thanks to @lepidodendron.bsky.social for his insightful blog post about cycads for #paleoart!
#paleobotany #cycad
December 18, 2025 at 9:44 PM
Reposted by Anne-Laure D 🌿
exfumo.bsky.social
Already #ancient antarctic #tree showed a clever survival trick! Root sprouting - new stems popping up from the roots after damage. These #Permian forests regenered from belowground and from roots! ▶️ 1url.cz/MJY2G
#RootSprouting #Antarctica #GoBelowground #ExFuMo @ibotcz.bsky.social
The locality of Skaar Ridge in the Central Transantarctic Mountains. It is at 2200 m, on top of a mountain that rises above the Antarctic icesheet, photo by Rudolph Serbet. Transverse sections of a young Glossopteridale root (R) with its typical structure with wedges of wood producing a sucker shoot (S) with a conspicuous pith and “normal” wood cylinder. A later stage when they are separated but the two axes are still englobed within the same bark tissues (right). Scale bars = 200 µm.
December 17, 2025 at 10:43 AM
aldpaleo.bsky.social
Check this blog post on our research on root sprouting in Permian trees here: plantlifebelowground.wordpress.com/2025/12/17/a... And check also the other posts, this is a great blog for people interested in #botany in general and plant life belowground in particular! 🌱🌳 #paleobotany #fossil #scicomm
Antarctic fossils show new evidence of rootsprouting in extinct trees
New research by Anne-Laure Decombeix at AMAP Lab in Montpellier, France, and Rudolph Serbet at the University of Kansas, USA. The image above shows the surface of a polished block of fossil peat fr…
plantlifebelowground.wordpress.com
December 17, 2025 at 9:03 AM
Reposted by Anne-Laure D 🌿
ijpsjournal.bsky.social
(2/8) In March we highlighted a fossil tree fern.

#PlantScience
On the Cover: A nearly intact fossil of the Paleozoic tree fern Scolecopteris libera (Marattiales, Psaroniaceae) from the Wuda tuff flora in Inner Mongolia, China, dated to approximately 298.34 mya. The specimen shows eight pinnate fronds with both vegetative and reproductive elements, as well as aphlebiae emerging from the top of the stem. Partially permineralized stems, rachises, and synangia preserved together at the same site reveal the internal anatomy of S. libera. Based on these specimens, a whole-plant reconstruction of S. libera has been presented (see Li et al., pp. 127–147, in this issue). This reconstruction represents the most comprehensive depiction of a Paleozoic eusporangiate fern to date, indicating the exceptional value of the Wuda tuff flora for paleobotanical systematics studies.
December 16, 2025 at 11:12 PM
Reposted by Anne-Laure D 🌿
mostlymammoths.bsky.social
A volcanic eruption 39 million years ago buried a forest in #Peru - Deborah Woodcock, Herb Meyer
theconversation.com/a-volcanic-e...
December 16, 2025 at 5:02 PM
Reposted by Anne-Laure D 🌿
sandyheth.bsky.social
I had a great time writing this dispatch @currentbiology.bsky.social about Jacob Suissa's recent paper on the link between fern phyllotaxis and vascular architecture. "Evo–devo: Ferns flourished due to developmental covariance between leaves and vasculature"
authors.elsevier.com/a/1mH793QW8S...
December 15, 2025 at 4:09 PM
Reposted by Anne-Laure D 🌿
sajadalipour98.bsky.social
Cerinthe minor L.
Boraginaceae
West Azerbaijan province, Iran
June 2025
Elevation 1300m
#Boraginaceae #botany #ecology
December 16, 2025 at 7:49 AM
Reposted by Anne-Laure D 🌿
aldpaleo.bsky.social
#Paleobotany talk Tuesday "The Eocene Piedra Chamana Fossil Forest of Sexi, Peru: Conservation, Leaves, and Woods" December 16, 2025 11 AM EST/ 5 PM CET. Speakers: Dr. Herbert Meyer, Dr. Deborah Woodcock & Dr. Sarah Allen 🌳🌲⛏️
More info & link: www.fossilforests.org/post/the-eoc...
Flyer for the talk showing a fossil tree and some images of the village of of Sexi
December 12, 2025 at 7:55 PM
Reposted by Anne-Laure D 🌿
pinuscaelestis.bsky.social
Just found this while decluttering my phone. Probably it was for a post on twitter, so why not share it here now. A stem cross section from Norway #spruce. #trees #xylem #microscopy
December 13, 2025 at 3:49 PM
Reposted by Anne-Laure D 🌿
neal.fun
Made a site comparing the sizes of living things :)

The great Julius Csotonyi spent 5 months painting over 60 illustrations for the site, no ai used

> neal.fun/size-of-life/
December 10, 2025 at 4:03 PM
Reposted by Anne-Laure D 🌿
duckinwales.bsky.social
My kind of drain pipe for #FernFriday. Asplenium trichomanes (Maidenhair spleenwort), Dryopteris filix-mas (Male fern) and hiding away a few Asplenium adiantum-nigrum (Black spleenwort). #UrbanFerns #Chester #BritishPteridologicalSociety
Pale green Male fern fronds with darker green Asplenium fronds below, at the base of a drain pipe in Chester.
December 12, 2025 at 9:07 PM
Reposted by Anne-Laure D 🌿
ferwen.bsky.social
#FossilFriday The fossil history of the Christmas tree 🎄 ⚒️🧪

paleonerdish.wordpress.com/2020/12/24/t...
December 12, 2025 at 7:38 PM
aldpaleo.bsky.social
#Paleobotany talk Tuesday "The Eocene Piedra Chamana Fossil Forest of Sexi, Peru: Conservation, Leaves, and Woods" December 16, 2025 11 AM EST/ 5 PM CET. Speakers: Dr. Herbert Meyer, Dr. Deborah Woodcock & Dr. Sarah Allen 🌳🌲⛏️
More info & link: www.fossilforests.org/post/the-eoc...
Flyer for the talk showing a fossil tree and some images of the village of of Sexi
December 12, 2025 at 7:55 PM
aldpaleo.bsky.social
Where the wild #ferns grow 🌱🌿 Happy #FernFriday!
Small stream in a forest with fallen branches and trunks, mosses, and different types of ferns (Polypodium & Dryopteris) Young fern sporophyte on muddy soil Part of a large fern frond with a hand for scale
December 12, 2025 at 7:03 PM
Reposted by Anne-Laure D 🌿
susieoftraken.bsky.social
Alethopteris, a seed fern from the Carboniferous swamp forests 300 million years ago. This specimen is from Kansas. The fossils are on undulating bedding planes, and the specimen has beautiful brown tones (I'm used to darker, flatter UK coal measures material!)

#FossilFriday #NotAFernFriday ⚒🌏🌱🧪🌿🔬
Alethopteris, a seed fern from the Carboniferous swamp forests 300 million years ago. This specimen is from Kansas. The fossils are on undulating bedding planes, and the specimen has beautiful brown tones
December 12, 2025 at 12:52 PM
aldpaleo.bsky.social
Assistant Professor position in non-seed plant diversity ( #bryophytes, #ferns, #lycophytes) Department of #Botany of the University of British Columbia, Vancouver:
botany.ubc.ca/job-postings...
⚠️ Deadline is soon, December 19.
#Paleobotany is explicitly included 🌿⛏️
UBC
botany.ubc.ca
December 12, 2025 at 7:41 AM
Reposted by Anne-Laure D 🌿
kalimiddleby.bsky.social
Where we collect seed for restoration matters. In a new paper led by Jayden Engert, we examined where nurseries source seed for rainforest plantings and discuss what that means for restoration success.

www.sciencedirect.com/science/arti...
November 27, 2025 at 8:52 PM
Reposted by Anne-Laure D 🌿
alexisrastier.bsky.social
#Paleobotany #Botany #Ferns #Devonian Here is our new accepted paper in Annals of Botany dedicated to the early evolution of Sphenopsids with a new morphological interpretation of Pseudobornia ursina Nathorst from the uppermost Famennian of Bjørnøya 🌿🌱: academic.oup.com/aob/article/...
Reappraisal of Pseudobornia ursina Nathorst: Implications for the evolution and systematics of Paleozoic sphenophytes
AbstractBackground and Aims. Sphenophytes, now restricted to Equisetum, were more diverse during the Paleozoic, particularly within Carboniferous coal swam
academic.oup.com
December 10, 2025 at 5:36 PM
Reposted by Anne-Laure D 🌿
elianvuillemot.bsky.social
1/5 Dense branching🌿and spines are common in plants under high mammalian herbivory. This paper by Anest et al. (2024, Nature Plants) shows how these traits combine into powerful defensive cage architectures. 👉 doi.org/10.1038/s414... #Evolution #Botany #Ecology @artemisanest.bsky.social
Blocking then stinging as a case of two-step evolution of defensive cage architectures in herbivore-driven ecosystems - Nature Plants
This study explores the evolution of two traits, branching density and spine presence, in the globally distributed plant family Combretaceae. These traits were found to have appeared in a two-step pro...
doi.org
December 8, 2025 at 4:09 PM
Reposted by Anne-Laure D 🌿
nicolasgentis.bsky.social
Teaching tropical #wood anatomy today. Look at this gorgeous #Andira (Fabaceae) and this nice aliform-confluent parenchyma pattern !

I only took the picture with my phone. It's all visible with a naked eye.
December 11, 2025 at 6:29 PM
Reposted by Anne-Laure D 🌿
subfossilguy.bsky.social
Last six years before glacier impact! 🧊😱

In the intimacy of this larch tree buried by Tschierva Glacier in 7623 BCE (i.e. ~9650 years ago)! 🌲💍

Note the significant growth reduction five years before the tree death! 🌊
Close up photo of the growth rings of a subfossil tree showing the last rings produced before its burial by a glacier advance 9600 years ago
December 11, 2025 at 4:49 PM
Reposted by Anne-Laure D 🌿
haggewoods.bsky.social
Acer capillipes.
trawling through the archives, I discover I have relatively few pictures of bark in winter. I'm not sure why, but this is the season to remedy this omission.
💚🌱
December 8, 2025 at 7:41 PM
Reposted by Anne-Laure D 🌿
pdmannion.bsky.social
We'll be hosting a joint Crossing the Palaeontological–Ecological Gap (CPEG) meeting & Conservation Paleobiology Symposium @ucl.ac.uk in London in August 2027, which aims to bridge spatial and temporal gradients between palaeontology, ecology, and conservation: www.ucl.ac.uk/mathematical...
December 8, 2025 at 3:42 PM