Tree-Ring Society

Tree-Ring Society

Types of Membership Levels:

Five classes of membership are available:

Individual
Resident of Developing Country*
Retired Individual
Student
Institution
Lifetime

To become a member, please select a membership level below and select "Next" below to proceed to the next page of the application process.

If paying for a membership is a financial struggle, please contact us at trslori@gmail.com. We will work to assist you with membership. Your information will be kept confidential.

* Defined by the International Monetary Fund (see bottom of linked Wikipedia page).

If you prefer to mail a payment in lieu of using a credit card, please mail to:
Tree-Ring Society
3021 Zodiac Ct
Loveland, CO 80537 USA

Payment of membership fee by credit card is open to members in most countries. Please follow the link from the member application form to the credit card payment system for further details.

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Select membership level

* Mandatory fields

* Membership level

Developing Country - $25.00 (USD) Subscription period: 1 year, on: January 1st
Your membership renewal date will be: January 01, 2026 No automatically recurring payments * Defined by the International Monetary Fund.

Individual - $55.00 (USD) Subscription period: 1 year, on: January 1st
Your membership renewal date will be: January 01, 2026 No automatically recurring payments Individual Membership.

Institutional - $70.00 (USD) Subscription period: 1 year, on: January 1st
Your membership renewal date will be: January 01, 2026 No automatically recurring payments Institutional and Bookseller Subscription

Lifetime Member - $1,000.00 (USD) Subscription period: Unlimited Membership for Lifetime. Will not be billed for duration of membership.

Retiree - $25.00 (USD) Subscription period: 1 year, on: January 1st
Your membership renewal date will be: January 01, 2026 No automatically recurring payments Retirees

Student - $25.00 (USD) Subscription period: 1 year, on: January 1st
Your membership renewal date will be: January 01, 2026 No automatically recurring payments Student Membership (May require proof of status)

For questions or comments about the website or membership, contact Lori Wilson (trslori [at] gmail dot com. The Tree-Ring Society is a 501(c)3 non-profit association.
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