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By Roderick Cameron |
Mar 30, 2017

A naturally occurring hybrid, widely adopted by the nursery trade in the form of cultivars, labors under a misnomer: there is precious little Hispanic about Quercus ×hispanica

By Emily Beckman |
Feb 22, 2017

We are currently requesting accessions data, including provenance information, from all gardens that maintain oak species. 

By Roderick Cameron |
Feb 18, 2017

The Hackfalls Arboretum Catalogue documents an outstanding achievement. New Zealand farmer, dendrologist, and IOS member Bob Berry has amassed a collection of over 3,000 taxa at the homestead of his family farm in Tiniroto, near Gisborne, and now has published his database, including many photos of trees and close-ups of leaves.

By Plummer Dunkle Jr. |
Feb 18, 2017

In the center of Oley Valley in Pennsylvania stands a majestic old chinkapin oak (Quercus muehlenburgii) known to many residents of the valley and to the Lenni Lenape tribal members as the Sacred Oak.

By Dirk Giseburt |
Feb 17, 2017

In January 2011, I made a quick visit to several natural areas in Palm Beach County, Florida while on a business trip and had my first experience with the varied oak habitats of the South Florida coast. In January 2017, I had the chance to relive the experience and revisit three of those spots – the High Ridge Scrub, Juno Dunes, and Frenchman’s Forest Natural Areas.

By Jeroen Braakman |
Feb 17, 2017

Ever since the genus Quercus grabbed my attention, I have been amazed by the ability of oaks to hybridize easily (sometimes too easily), even when the species involved don't share habitat in the wild.

By Rebecca Delling... |
Feb 17, 2017

Copenhagen Hills Preserve is an ecological gem.  With its unique calcium-rich soils, it hosts a plethora of plant communities, ranging from pine forests and prairies to bottomlands and swamps.  This cornucopia of habitats is home to many rare and indigenous plants, such as purple cone flower (Echinacea purpurea), three-flowered hawthorn (Crataegus triflora), and, of course, a variety of uncommon oak species.

By Vaso Charitopoulou |
Oct 26, 2016

The Pholoe oak forest is located in southwestern Greece, in a plateau area at an altitude of about 600 m. It is an ecosystem that is unique in Europe as it is a high forest of even-aged oaks.

By Website Editor |
Aug 24, 2016

The Benemérita Universidad Autónoma de Puebla has published the Flora del Estado de Puebla, México.

By William Guion |
Aug 1, 2016

If I wanted to make stronger, more meaningful images, I should pick something that I love and photograph it again and again: “Follow what your heart is drawn to,” he said, “and in time, your feelings will begin to show though in your work.”

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