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Editor's Picks

Group photo at The Savill Garden
UK Oak Open Days: June 15–17, 2024
Three-day event included visits to two parks in Berkshire...
Roderick Cameron | Aug 18, 2024
Rebekah Mohn presenting at IBC 2024
Oak-related Presentations and Posters at IBC 2024 in Madrid
Several abstracts included research involving Quercus.
Website Editor | Aug 13, 2024
Participants at the Oak Study Day in Arboretum des Pouyouleix
French Oak Open Days: 8–12 June, 2024
This five-day event included visits to four oak collections...
Website Editor | Aug 12, 2024

Plant Focus

Quercus dumosa acorn
Species Spotlight: Quercus dumosa Nutt.
Animals, plants, and fungi depend on this humble tree, but its future—and theirs—is all but certain.
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Classification

Evolution and Subsection Classification of Section Cerris Oaks

By Website Editor | February 14, 2024
Distribution ranges of section Cerris

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

An Updated Infrageneric Classification of the North American Oaks

By Andrew Hipp | June 16, 2021
Phylogenetic tree

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