A visit to two Belgian collections on a rainy September day, Arboretum Wespelaar and the National Botanical Garden of Belgium.
By Charles Snyers ...
Nov 18, 2011
An oak in cultivation as Quercus eugeniifolia has now been described as a new species, Quercus delgadoana S. Valencia, Nixon & L. M....
By Website Editor
Jul 2, 2011
The Arboretum des Grandes Bruyères is without doubt one of the most extraordinary private botanic gardens in France.
By Béatrice Chassé
Jul 2, 2011
This trip report from Béatrice Chassé through Northern Mexico is reproduced from the IOS Journal. The companion photo gallery contains...
By Béatrice Chassé
Jan 5, 2011
A visit to the collections of Daniel Dumont, an Oak Open Day in Belgium.
By Charles Snyers ...
Dec 27, 2010
A previously unreported station for Quercus sinuata var. breviloba has recently been identified in southwestern Custer County, Oklahoma.
By Allan Taylor
Dec 14, 2010
Shaun Haddock invited the IOS membership on July 19, 2010 to an Oak Open Day at the Royal Botanic Gardens, Kew, near London. The aim was to...
By Eike Jablonski
Oct 20, 2010
The distribution of Palmer's oak (Quercus palmeri Engelm.) includes numerous isolated populations that are presumably relicts of a formerly...
By IOS Site Admini...
Jul 1, 2010
In 2008 one red oak hybrid (Quercus rubra × ellipsoidalis) was diagnosed with oak wilt disease (Ceratocystis fagacearum) at Starhill Forest...
By Guy Sternberg
Dec 6, 2009
Many common native trees are just as beautiful as cultivated exotics. Since they have evolved with local conditions and are well adapted to...
By Béatrice Chassé
Aug 25, 2008
This article covers the 2007 IOS tour to Japan. It was initially published in the IOS Journal.
By Shaun Haddock
Dec 31, 2007
Pages
Editor's Picks
Oak collections and much more in Canberra, New South Wales...
Website Editor
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Aug 11, 2025
A controversial publication proposes to change the...
Roderick Cameron
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Aug 05, 2025
A team of reporters share their take on the event.
Website Editor
|
Jun 22, 2025
Plant Focus
A naturally occurring hybrid between Quercus robur and Q. alba.
A visit to two Belgian collections on a rainy September day, Arboretum Wespelaar and the National Botanical Garden of Belgium.
By Charles Snyers ...
Nov 18, 2011
An oak in cultivation as Quercus eugeniifolia has now been described as a new species, Quercus delgadoana S. Valencia, Nixon & L. M....
By Website Editor
Jul 2, 2011
The Arboretum des Grandes Bruyères is without doubt one of the most extraordinary private botanic gardens in France.
By Béatrice Chassé
Jul 2, 2011
This trip report from Béatrice Chassé through Northern Mexico is reproduced from the IOS Journal. The companion photo gallery contains...
By Béatrice Chassé
Jan 5, 2011
A visit to the collections of Daniel Dumont, an Oak Open Day in Belgium.
By Charles Snyers ...
Dec 27, 2010
A previously unreported station for Quercus sinuata var. breviloba has recently been identified in southwestern Custer County, Oklahoma.
By Allan Taylor
Dec 14, 2010
Shaun Haddock invited the IOS membership on July 19, 2010 to an Oak Open Day at the Royal Botanic Gardens, Kew, near London. The aim was to...
By Eike Jablonski
Oct 20, 2010
The distribution of Palmer's oak (Quercus palmeri Engelm.) includes numerous isolated populations that are presumably relicts of a formerly...
By IOS Site Admini...
Jul 1, 2010
In 2008 one red oak hybrid (Quercus rubra × ellipsoidalis) was diagnosed with oak wilt disease (Ceratocystis fagacearum) at Starhill Forest...
By Guy Sternberg
Dec 6, 2009
Many common native trees are just as beautiful as cultivated exotics. Since they have evolved with local conditions and are well adapted to...
By Béatrice Chassé
Aug 25, 2008
This article covers the 2007 IOS tour to Japan. It was initially published in the IOS Journal.
By Shaun Haddock
Dec 31, 2007