The IOS has been approved again as the International Cultivar Registration Authority (ICRA) for Quercus.
Posted Fri, 2014-01-31 21:24 in Ryan Russell's blog
Quercus rysophylla with unusual fall color in Argentine arboretum.
Posted Fri, 2014-01-31 17:16 in Roderick Cameron's blog
Acorns in Bhutan - to be seen but not hoard(ed).
Posted Sun, 2014-01-05 16:36 in Shaun Haddock's blog
On the first weekend of November 2013 a group of oak enthusiasts congregated in Aiken, SC.
Posted Thu, 2013-11-14 11:54 in Roderick Cameron's blog
Yesterday, 22nd of September, nearly 30 oak enthusiasts gathered at Pavia nurseries, an outstanding nursery owned and run by Dirk Benoit, past IOS board member.
Posted Mon, 2013-09-23 10:56 in Charles Snyers d'Attenhoven's blog
On your way to AIken in South Carolina this November, you might pass by Red Oak, NC.
Posted Mon, 2013-08-12 15:49 in Charles Snyers d'Attenhoven's blog
Two oaks elected tree of the year 2013
Posted Sat, 2013-08-03 17:24 in Charles Snyers d'Attenhoven's blog
Michel Timacheff, IOS Member and photographer, came across an old oak near Villers-sur-Lesse in southern Belgium. Its circumference is over 6 meters at BH.
Posted Thu, 2013-05-02 11:06 in Charles Snyers d'Attenhoven's blog
Dan Hinkely will be speaking at the 2013 Annual Meeting of the Magnolia Society, next April 19th- 21st.
Posted Sun, 2013-03-03 18:34 in Charles Snyers d'Attenhoven's blog
In January 2012, the USDA Agricultural Research Service released a new edition of the American Plant Hardiness Map. The previous edition was released in 1990. Two new zones 12 and 13 have be
Posted Sun, 2012-09-16 11:34 in Charles Snyers d'Attenhoven's blog
Pages
Editor's Picks
Images and insights from Ezra Barnea’s journey to Cyprus’s...
Ezra Barnea
|
Jun 13, 2026
Endangered oak Quercus hinckleyi shows strong genetic...
Website Editor
|
Jun 09, 2026
New paper should significantly change our approach to...
Steve Potter
|
Jun 09, 2026
Plant Focus
Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...
The IOS has been approved again as the International Cultivar Registration Authority (ICRA) for Quercus.
Posted Fri, 2014-01-31 21:24 in Ryan Russell's blog
Quercus rysophylla with unusual fall color in Argentine arboretum.
Posted Fri, 2014-01-31 17:16 in Roderick Cameron's blog
Acorns in Bhutan - to be seen but not hoard(ed).
Posted Sun, 2014-01-05 16:36 in Shaun Haddock's blog
On the first weekend of November 2013 a group of oak enthusiasts congregated in Aiken, SC.
Posted Thu, 2013-11-14 11:54 in Roderick Cameron's blog
Yesterday, 22nd of September, nearly 30 oak enthusiasts gathered at Pavia nurseries, an outstanding nursery owned and run by Dirk Benoit, past IOS board member.
Posted Mon, 2013-09-23 10:56 in Charles Snyers d'Attenhoven's blog
On your way to AIken in South Carolina this November, you might pass by Red Oak, NC.
Posted Mon, 2013-08-12 15:49 in Charles Snyers d'Attenhoven's blog
Two oaks elected tree of the year 2013
Posted Sat, 2013-08-03 17:24 in Charles Snyers d'Attenhoven's blog
Michel Timacheff, IOS Member and photographer, came across an old oak near Villers-sur-Lesse in southern Belgium. Its circumference is over 6 meters at BH.
Posted Thu, 2013-05-02 11:06 in Charles Snyers d'Attenhoven's blog
Dan Hinkely will be speaking at the 2013 Annual Meeting of the Magnolia Society, next April 19th- 21st.
Posted Sun, 2013-03-03 18:34 in Charles Snyers d'Attenhoven's blog
In January 2012, the USDA Agricultural Research Service released a new edition of the American Plant Hardiness Map. The previous edition was released in 1990. Two new zones 12 and 13 have be
Posted Sun, 2012-09-16 11:34 in Charles Snyers d'Attenhoven's blog

















