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Species Spotlight: Quercus carduchorum K.Koch

Acorn of Quercus carduchorum

A rare species from the Zagros forests in Iran

Species Spotlight: Quercus persica Jaub. & Spach

Quercus persica acorns

Parisa Panahi and Mehdi Pourhashemi train the follow spot on a rare Iranian oak

Species Spotlight: Quercus magnosquamata Djav.-Khoie

Quercus magnosquamata acorn

A  little-known species from the northern Zagros forests of Iran

Species Spotlight: Quercus dumosa Nutt.

Quercus dumosa acorn

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

Species Spotlight: Quercus peninsularis Trel.

Quercus peninsularis

A Red Oak (Section Lobatae) endemic to inland ranges of northern Baja California, Mexico

Species Spotlight: Quercus crassipes Bonpl.

Quercus crassipes acorns with inrolled cupule margin

One of the more well-known Mexican oaks in cultivation.

Species Spotlight: Quercus boyntonii

A small but mature Alabama sandstone oak producing acorns © Patrick Thompson

A Critically Endangered dwarf oak 

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Editor's Picks

Quercus sp. Ardnamurchan Peninsula
Is Q. robur invading Q. petraea populations or is it the...
Steve Potter | Apr 17, 2025
Acorn of Quercus carduchorum
A rare species from the Zagros forests in Iran
Website Editor | Apr 17, 2025
Compton Oak in 2023
The landmark oak was found as a naturally occurring hybrid
Ricklin Brown | Apr 05, 2025

Plant Focus

Plant Focus

Species Spotlight: Quercus carduchorum K.Koch

Acorn of Quercus carduchorum

A rare species from the Zagros forests in Iran

Species Spotlight: Quercus persica Jaub. & Spach

Quercus persica acorns

Parisa Panahi and Mehdi Pourhashemi train the follow spot on a rare Iranian oak

Species Spotlight: Quercus magnosquamata Djav.-Khoie

Quercus magnosquamata acorn

A  little-known species from the northern Zagros forests of Iran

Species Spotlight: Quercus dumosa Nutt.

Quercus dumosa acorn

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

Species Spotlight: Quercus peninsularis Trel.

Quercus peninsularis

A Red Oak (Section Lobatae) endemic to inland ranges of northern Baja California, Mexico

Species Spotlight: Quercus crassipes Bonpl.

Quercus crassipes acorns with inrolled cupule margin

One of the more well-known Mexican oaks in cultivation.

Species Spotlight: Quercus boyntonii

A small but mature Alabama sandstone oak producing acorns © Patrick Thompson

A Critically Endangered dwarf oak 

Pages

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Supporting Institutional Members

Standard Institutional Members