Members are the lifeblood of our organization. If you're not already a member, please consider signing up today. You can select the membership level that fits your needs below.
Bear in mind that as from July 1, 2023, 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.
You can join the IOS under the following membership types:
This page shows options for Standard Memberships. For other types, click on the links above, or click here to view all membership type details in a new window. If you wish to join as a Standard Member for 2 or 3 years, at discounted prices, click here.
Please select the appropriate membership level below. You will have a chance to review your selection and the corresponding dues on the next page prior to your payment being processed.
Do not forget to select a payment option by checking the right box at the bottom of this page before confirming your contribution.
The International Oak Society acknowledges the generous support of the following institutions:
Supporting Institutional Members
Standard Institutional Members