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Editor's Picks

Group photo at Mereweather Arboretum
Oaks in Oz: Australian Oak Open Days, May 8–13, 2025
Oak collections and much more in Canberra, New South Wales...
Website Editor | Aug 11, 2025
Nay! Its Née, not Neé
A controversial publication proposes to change the...
Roderick Cameron | Aug 05, 2025
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.
Read more

Join the IOS

Thank you for your interest in becoming a member of the international Oak Society!

As a member you will:

  • Receive Oak News & Notes, our newsletter which is published twice a year, and International Oaks, the full-color Journal of the IOS, published once a year
  • Be able to participate in the Triennial Conferences
  • Be able to participate in many oak-related events all over the world such as the Oak Open Days
  • Access the “members only” parts of our website, chiefly the online membership directory, an invaluable network of contacts in over 30 countries on six continents, recordings of IOS Webinars, and online versions of recent issues of International Oaks.

Membership Types:

  • Standard Membership (1–2 persons in the same household): full membership benefits, with option to sign up for 2- or 3-year terms with a discount.
  • Electronic Membership (1–2 persons in the same household): membership benefits (International Oaks and Oaks News & Notes online only); renewed annually.
  • Student Standard Membership (1–2 persons in the same household): membership benefits (Oak News & Notes online only); renewed annually. Students must provide the name of their institution and specify their degree program.
  • Student Electronic Membership (1–2 persons in the same household): as above, with electronic membership benefits.
  • Standard Institutional Membership: membership benefits for an unlimited number of staff members; 1 copy of International Oaks; recognition in IOS publications and email communications.
  • Supporting Institutional Membership: membership benefits for an unlimited number of staff members; 3 copies of International Oaks; recognition in IOS publications and email communications.
  • Life Membership (1–2 persons in the same household): full membership benefits for life.

 

Membership Fees (annual, in US dollars):

  • Standard Membership is available at four levels; these have the same membership benefits but different levels of support for the Society’s mission and goals:
    •    Insignis:* $100
    •    Glauca: $80
    •    Rubra: $60
    •    Cerris: $50
    *with optional recognition in International Oaks

Standard Memberships are available for 2-year terms ($5 total discount) and 3-year terms ($10 total discount)

  • Electronic Memberships are priced at 50% of the Standard fee, also at four levels, but they are only available for 1-year terms.
  • Student Memberships:
    •    Standard: $25 (1-year term only)
    •    Electronic: $12.50 (1-year term only)
  • Institutional Memberships:
    •    Standard:    $500 (1 year) or $1,250 (3 years)
    •    Supporting: $750 (1 year) or $2,000 (3 years)
  • Life Membership: $1,500 

Bear in mind that 10% of your membership dues will be allocated as a contribution to the Oak Conservation and Research Fund (Life Memberships excluded). The IOS thanks you in advance for supporting our Society as an active conservation organization. Please consider increasing your support by making an additional contribution at any time on our donation page here.

If you have any questions about any of the membership types or fees, please email IOS membership management at membership@internationaloaksociety.org

Note that you are already a member of the IOS. If you wish to renew your membership, please go to your account by clicking here

To become a member of the IOS, please click here

To become a member of the IOS, you should first subscribe to The Cupule, or free e-bulletin. You will then have a username and password to access the website.

Subscribing to The Cupule will give you limited access to the website. To access all of the features, you must be a member of the IOS. When you log into the website with your username and password, you will find instructions to join the IOS on the home page.

Please subscribe to The Cupule here.

If you already have a username and password, please log in here.

Note that if you are already a member, you need only to create an account to have full access. The site will recognize you as long as you use the email address you communicated to IOS membership management when you became a member. When you log in using the username and password you choose when you create an account, you will have full access.