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Editor's Picks

The oak tree in Skjomendalen © Gerhard Sørensen-Fuglem and Cecilia Piccirilli Bjerkeset
An oak grows north of the Arctic Circle in Norway
Website Editor | Aug 14, 2023
Unusual symptoms linked to phytoplasma infection in Quercus humboldtiii, Colombia © Eric Boa
Symptoms linked to phytoplasma infection found in Quercus...
Website Editor | Aug 06, 2023
Different names are being used for one species.
Website Editor | Jun 20, 2023

Plant Focus

A small but mature Alabama sandstone oak producing acorns © Patrick Thompson
A Critically Endangered dwarf oak 


Chevithorne Barton hosted an Oak Study Day on July 21, 2023
An unusual acorn...© Chris West
Posted Mon, 2023-08-07 18:41 in Chris West's blog
Beech Leaf Disease is attacking Fagus species in North America.
Beech tree leaf disease
Posted Tue, 2023-06-20 19:52 in Website Editor's blog
The IOS recently received an inquiry from Jim Conrad about a strange phenomenon he observed on a twig of a Quercus
Posted Tue, 2023-06-20 19:51 in Website Editor's blog
Shakespeare mentions oaks more than any other tree.
Falstaff at Hern's Oak
Posted Sun, 2023-04-23 15:56 in Roderick Cameron's blog
Hans-Cees Speel shares news of the website he created, which includes numerous photos of 64 oak taxa. 
Posted Wed, 2023-04-19 11:10 in Hans-Cees Speel's blog
Tim Boland brought to our attention an interesting discussion of dispersal of acorns by Blue Jays (
Blue Jays and Oaks by Jay Wright
Posted Sun, 2023-04-16 13:56 in Roderick Cameron's blog
Maricela Rodríguez interviewed staff and owners at key oak collections in the UK. 
Propagating oaks by cuttings
Posted Sun, 2023-04-16 13:10 in Website Editor's blog
Angela Moskow shared some disturbing accounts of oak poisonings.
Posted Sun, 2023-04-16 10:01 in Website Editor's blog
An encounter in Taiwan with a genus in Fagaceae I had never heard of.
Posted Sat, 2023-04-15 11:44 in Roderick Cameron's blog
An article by Tim Boland and Matt Lobdell on why oaks are "ecological warhorses"
Posted Wed, 2023-02-15 17:43 in Website Editor's blog
A proposal to conserve the name for Hungarian oak
Quercus frainetto
Posted Mon, 2023-02-13 16:11 in Roderick Cameron's blog
The Tree Conservation Biology lab at The Morton Arboretum contributed an article to the Kew Millennium Seed Bank Partnership newsletter, Samara.
Posted Fri, 2023-02-10 21:38 in Sean Hoban's blog