Log in

Editor's Picks

287086_146665648749006_6570936_o.jpg
A massive Quercus robur stands outside the village of...
Roderick Cameron | Aug 16, 2020
cover_scientific_american.jpg
An article published in Scientific American recounts how...
Website Editor | Aug 13, 2020
Quercus alba at Melbourne Botanic Gardens
One of the largest oaks at Melbourne’s Royal Botanic...
Tim Entwisle | Aug 09, 2020

Plant Focus

quercus_x_haynaldiana_bokrijk.jpg
Six oak cultivars originally described by Jef Van Meulder in 2014.

All Articles

Karl Georg Theodor Kotschy was an Austrian botanist and eminent plant explorer. He died 150 years ago in Vienna on June 11, 1866.
The first IOS Oak Open Day event south of the Equator took place April 22-24, 2016, in Argentina.
Quercus ilicifolia is a little oak with a big name: bear oak. 
A review of the assemblage of the oaks known as the "vallonea oaks" or "aegilops oaks" from the Eastern Mediterranean and the Levant.
Following the 2015 IOS Conference, the Plant Collecting Collaborative traveled to the Southeastern United States on a seed collection...
The subject of the latest addition to our series on Historic Oaks may seem an odd choice, for all that remains of the tree is an ivy-...
In July 2015 a group of IOS members visited Gredington in north Wales and Ness Botanic Garden near Liverpool, England.
At the Gala Banquet held in the Gingko Restaurant of The Morton Arboretum on Tuesday, October 20, the International Oak Society presented...
Quercus crassifolia is tree ranging in height from 4 to 15 meters, and is usually easily recognized by its leaves: stiff and leathery,...
In January, 2015, The Morton Arboretum launched a project in collaboration with BGCI and the IUCN/SSC Global Tree Specialist Group, which...
The newly founded Oak Harbor Garry Oak Society in Oak Harbor, Washington is committed to the stewardship of Garry oak trees through...
Photographer Kyle Spradley has taken portraits of "The Big Tree" over the course of almost a decade, in every season and weather condition.

Pages

Subscribe to All Articles