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Editor's Picks

Group photo at The Savill Garden
Three-day event included visits to two parks in Berkshire...
Roderick Cameron | Aug 18, 2024
Rebekah Mohn presenting at IBC 2024
Several abstracts included research involving Quercus.
Website Editor | Aug 13, 2024
Participants at the Oak Study Day in Arboretum des Pouyouleix
This five-day event included visits to four oak collections...
Website Editor | Aug 12, 2024

Plant Focus

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

Classification

Distribution ranges of section Cerris

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

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