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Editor's Picks

The oak tree in Skjomendalen © Gerhard Sørensen-Fuglem and Cecilia Piccirilli Bjerkeset
The World’s Northernmost Oak?
An oak grows north of the Arctic Circle in Norway
Website Editor | Aug 14, 2023
Unusual symptoms linked to phytoplasma infection in Quercus humboldtiii, Colombia © Eric Boa
Not Another Oak Calamity…
Symptoms linked to phytoplasma infection found in Quercus...
Website Editor | Aug 06, 2023
quercus-leucotrichophora-iturraran.jpg
Confusion on a Himalayan Scale: Naming Quercus leucotrichophora
Different names are being used for one species.
Website Editor | Jun 20, 2023

Plant Focus

A small but mature Alabama sandstone oak producing acorns © Patrick Thompson
Species Spotlight: Quercus boyntonii
A Critically Endangered dwarf oak 
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Quercus rugosa

Is Quercus rugosa Showing Its Roots?

By Allen Coombes | October 18, 2022
Lobed leaf on Quercus rugosa

An unusual shoot on a tree at the Puebla University Botanic Garden in Mexico.

A Spontaneous Quercus rugosa in Pretoria?

By Tjeerd de Wit | October 16, 2022
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Being a lover of nature and photography, I often saunter around in a narrow mountain ridge in Pretoria, South Africa, with the purpose of getting some exercise, enjoying nature and photography, and documenting biodiversity. The ridge is part of the Magaliesberg mountain range and makes up the easternmost 10-km strip of the Magaliesberg Biosphere Reserve, a UNESCO protected area stretching over 120 km to the west.