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Editor's Picks

Allan Taylor
A long-standing member of the IOS and fomer editor of Oak...
Panayoti Kelaidis | Dec 17, 2022
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A new study resolves many nomenclatural problems in the...
Carlos Vila-Viçosa | Dec 09, 2022
The team at SDZWA
Christy Powell of the San Diego Zoo Wildlife Alliance works...
Amy Byrne | Dec 06, 2022

Plant Focus

Quercus macdougallii
A rare oak endemic to the Sierra Juárez in Oaxaca

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.