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Editor's Picks

Quercus coccifera, 97 cm dbh and 15 m canopy spread
Images and insights from Ezra Barnea’s journey to Cyprus’s...
Ezra Barnea | Jun 13, 2026
Lainey Kirshberger and Ryan Silver, students at Oklahoma State University, participated in the fieldwork and will lead the genetic and epigenetic analysis under the supervision of Dr. Antonio R. Castilla.
Endangered oak Quercus hinckleyi shows strong genetic...
Website Editor | Jun 09, 2026
The current Red List status and modelled outlook for the eight Californian oak species, plus tanoak
New paper should significantly change our approach to...
Steve Potter | Jun 09, 2026

Plant Focus

Quercus orocantabrica
Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...

Jeff Stevens (1958–2021)

Jeff Stevens
Jeff Stevens

Jeff Stevens, 63, of Apison, Tennessee, USA passed away September 26, 2021. Jeff was a long-time member of the IOS (since 1999) and attended several of our Conferences and Oak Open Days.

Jeff graduated with a bachelor’s degree from University of Tennessee at Chattanooga in business administration. He was a corporate senior food safety and quality specialist for McKee Foods. From a young age, Jeffrey loved to play piano and was with the gospel group, The Heritage Singers. He had a great love for nature and loved to travel all over the world, especially Brazil, UK, Chile, and many tropical places.

His main horticultural interest was in palms, and he was an instrumental member of the Southeastern Palm Society, where he served as the editor of the magazine Southeastern Palms and two books published by the Society. But oaks were also his passion, in particular Mexican oaks. He gladly shared acorns from oaks in his garden with IOS members at the IOS's Seed Exchanges, in particular the relatively rare Quercus invaginata. He will be sorely missed.

You can read more about Jeff and his contributions to the Southeastern Palm Society on their Facebook page.