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Editor's Picks

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Who was Quercus grahamii named in honor of?
Roderick Cameron | Dec 17, 2024
Quercus rubra in autumn
The Tree of the Year Association in Germany selected a non-...
Website Editor | Dec 16, 2024
Image from Enarrationes
A 16th century commentary on the medicinal property of oaks...
Website Editor | Dec 16, 2024

Plant Focus

Quercus magnosquamata acorn
A  little-known species from the northern Zagros forests of Iran

Blogs

IOS members Paul Manos (Duke University) and Andrew Hipp (The Morton Arboretum) have just published a subsectional classification of North American Red and White Oaks
Phylogenetic tree
Posted Wed, 2021-06-16 12:40 in Andrew Hipp's blog
Mat Disney and his team study oaks using a terrestrial laser scanner
Queen Elizabeth Oak at Cowdray Park
Posted Sat, 2021-06-12 13:53 in Roderick Cameron's blog
Stories about oaks in the Netherlands
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Posted Fri, 2021-06-11 17:02 in Website Editor's blog
"Ecocide" or eco-friendly?
Notre-Dame-de-Paris
Posted Sat, 2021-04-10 11:03 in Roderick Cameron's blog
Until recently, the name had been considered unplaced
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Posted Fri, 2021-03-26 11:07 in Patrick Vereecke's blog
A video clip by filmmaker Alon Issashar focuses on oak trees in Israel
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Posted Sat, 2021-02-20 13:09 in Ezra Barnea's blog
Quercus rotundifolia trees were in full flower two months earlier than usual in southern Portugal
Quercus rotundifolia, phenology
Posted Tue, 2021-02-09 20:00 in Philip Perry's blog
A strange oak name explained
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Posted Tue, 2021-02-09 11:48 in Patrick Vereecke's blog
An unusual name based on a river in Turkey has quite a few variants
Quercus dschorochensis
Posted Sat, 2021-02-06 18:45 in Patrick Vereecke's blog
Did you know that Turner's oak occurs in the wild?
Quercus xturneri
Posted Mon, 2020-12-14 13:35 in Charles Snyers d'Attenhoven's blog
Sometimes when you least expect it, good things happen.
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Posted Sun, 2020-12-13 11:08 in Gaurav Verma's blog
Linnaeus wrote in his prologue of Quercus cerris that it "lives in Spain," but the species does not occur naturally there...
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Posted Wed, 2020-12-02 15:08 in Patrick Vereecke's blog

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