Editor's Picks
It may surprise you to learn that we are not the first Oak...
Shaun Haddock
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Dec 15, 2018
This blog post focuses on the day and a half we spent in...
Charles Snyers
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Dec 02, 2018
This blog entry focuses on the Engelmann oak grove at Los...
Charles Snyers
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Dec 15, 2018
Plant Focus
For this Species Spotlight we train our follow spot on an oak that is quite a star of the quercine scene: Quercus hypoleucoides (stage name...
All Articles
Centenary celebrations related to the First World War (1914-1918) will be taking place throughout the 2014-2018 period, but 2015 will...
By Roderick Cameron
Mar 8, 2015
Karl Georg Theodor Kotschy was an Austrian botanist and eminent plant explorer. He died 150 years ago in Vienna on June 11, 1866.
By Eike Jablonski
Jun 11, 2016
North American oaks have a northern temperate origin and only later colonized Mexico and Central America, according to a new study.
By Website Editor
Oct 12, 2017
Quercus ilicifolia is a little oak with a big name: bear oak.
By Website Editor
Jun 4, 2016
The New Mexico Oak Open Days were a six-day whirlwind tour of the state covering more than 1,400 miles. Led by IOS founding member Michael...
By Ryan Russell
Dec 5, 2016
Quercus ithaburensis Decne. is a deciduous oak species native to the East Mediterranean basin.
By Jean Stephan
Jun 5, 2017
This article is an account of the oak field trip organized by Michael Meléndrez in New Mexico (and a bit of Arizona) in August 2017.
By Charles Snyers
Sep 22, 2017
Twenty-six participants from ten countries arrived to take part in the European celebration of the IOS’s twenty-fifth birthday at Dušan...
By Shaun Haddock
Aug 16, 2017
A naturally occurring hybrid, widely adopted by the nursery trade in the form of cultivars, labors under a misnomer: there is precious...
By Roderick Cameron
Mar 30, 2017
The first IOS Oak Open Day event south of the Equator took place April 22-24, 2016, in Argentina.
By Roderick Cameron
Jun 10, 2016
The Oaks of the Americas Conservation Network (OACN) is an interdisciplinary consortium of oak experts from universities, botanic gardens,...
By Audrey Denvir
Feb 16, 2018
As Co-Registrar of oak cultivars I think it’s important to periodically remind members about some of the exceptional selections of oaks...
By Ryan Russell
Feb 15, 2018
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