Classification

Evolution and Subsection Classification of Section Cerris Oaks

By Website Editor | February 14, 2024

A recent study explores the evolutionary and biogeographical history of section Cerris.

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An Updated Infrageneric Classification of the North American Oaks

By Andrew Hipp | June 16, 2021

IOS members Paul Manos (Duke University) and Andrew Hipp (The Morton Arboretum) have just published a subsectional classification of North American Red and White Oaks

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Editor's Picks

Oaks in Oz: Australian Oak Open Days, May 8–13, 2025

Oak collections and much more in Canberra, New South Wales...

Website Editor | Aug 11, 2025

Nay! Its Née, not Neé

A controversial publication proposes to change the...

Roderick Cameron | Aug 05, 2025

Group photo with champion Quercus arkansana in Bokrijk Arboretum

Belgian Oak Open Days: May 29–June 1, 2025

A team of reporters share their take on the event.

Website Editor | Jun 22, 2025

Plant Focus

Quercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk GiseburtQuercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk Giseburt

Hybrid Highlight: Quercus ×bimundorum E.J. Palmer, the ‘Oak of Two Worlds’