Editor's Picks
While working on a list of synonyms of European White...
Roderick Cameron
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Aug 24, 2026
Report led by The Morton Arboretum will help prioritize oak...
Website Editor
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Aug 06, 2026
Motivation
I live in the village of Dolné Dubové...
Jozef Čapkovič
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Jul 20, 2026
Plant Focus
The only oak species endemic to Africa is rare in cultivation. It shouldn't be.

Starting January 1, 2024, the Board of Directors inaugurated two new Institutional Membership types, which are offered to organizations interested in the study of oaks. Support of the Society from all membership levels helps to fund our Oak Conservation and Research Fund and the production of International Oaks, the IOS Journal.
Standard Institutional Membership: 1-year/$500 or 3-year/$1250
Benefits:
- Full standard membership benefits for an unlimited number for staff members (online access to all IOS publications and to “member only” resources on the IOS website)
- Recognition in:
- IOS publications: International Oaks, Oak News & Notes (newsletter), The Cupule (e-bulletin), Webinars, and website
- IOS email communications
- 1 printed copy of International Oaks
Supporting Institutional Membership: 1 year/$750 or 3-year/$2000
Benefits:
- Same benefits and recognition as for Standard Institutional Membership
- 3 printed copies of International Oaks
For more information please contact:
Dan Kostka
IOS Secretary
membership@internationaloaksociety.org














