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Editor's Picks

Pages from Gert's book
It was a great pleasure for me to be able to write about my...
Gert Fortgens | Feb 15, 2024
Quercus marlipoensis acorns
A new study has analyzed the germination characteristics of...
Website Editor | Feb 15, 2024
Gall on Quercus grahamii
A new species of oak gall wasp has been named in honor of...
Website Editor | Feb 14, 2024

Plant Focus

For this Species Spotlight we train our follow spot on an oak that is quite a star of the quercine scene: Quercus hypoleucoides (stage name...

Guy Sternberg's blog

Seed Exchange Guidelines

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What to know about participating in the IOS Seed Exchange

A California Oak Expedition

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Guy Sternberg shares his photographs of the California Pre- and Post-Conference Tours.

Departed Friends

This past year we lost three of our prominent, longtime members.