Tree-Ring Society                  

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 proceed to pay with a credit card, or you may mail in your payment.
* Defined by the International Monetary Fund (see bottom of linked Wikipedia page).

To mail payment, please send to: (new mailing address:)
Tree-Ring Society
3021 Zodiac Ct
Loveland, CO 80537 USA
Payment of membership fee by credit card is open to members in most countries, but does require confirmation of card number through PayPal.  Please follow the link from the member application form to the credit card payment system for further details.

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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. 
© Tree-Ring Society.  All rights reserv

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