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Editor's Picks

Group photo at Mereweather Arboretum
Oaks in Oz: Australian Oak Open Days, May 8–13, 2025
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Group photo with champion Quercus arkansana in Bokrijk Arboretum
Belgian Oak Open Days: May 29–June 1, 2025
A team of reporters share their take on the event.
Website Editor | Jun 22, 2025

Plant Focus

Quercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk GiseburtQuercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk Giseburt
Hybrid Highlight: Quercus ×bimundorum E.J. Palmer, the ‘Oak of Two Worlds’
A naturally occurring hybrid between Quercus robur and Q. alba.
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Preserving the Future of the Vulnerable Endemic Species Quercus arkansana

Project Contact: Suresh Subedi, Assistant Professor, Norfolk State University, Norfolk, Virginia, USA.

Quercus arkansana Gulf State Park Alabama (c) Matt Lobdell
Quercus arkansana in Gulf State Park, Alabama, USA, one of the southernmost populations of this species © Matt Lobdell

Executive Summary: The Arkansas Oak (Quercus arkansana) is at risk of becoming endangered, as the total known population size is represented by a few isolated populations, with its once widespread range in the southeastern United States now reduced to small, fragmented populations. Climate change, habitat loss, and insufficient conservation measures are accelerating its decline. Rising temperatures, prolonged droughts, and precipitation variability disrupt natural regeneration by impairing the cold stratification and moisture conditions necessary for acorn germination. This project aims to address these challenges by combining field surveys, experimental germination studies, and predictive modeling to develop actionable conservation strategies for Q. arkansana.

Target Species: 
Quercus arkansana (VU)