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After completing the registration process, you will be re-directed to PayPal to make your payment. You may choose Login to your PayPal account,  or choose Pay with Debit or Credit Card.

If you choose to auto-renew annually, you may cancel your auto-renew at any time. You will receive email notifications about upcoming expirations of your membership, or upcoming payments if you choose to auto-renew.

Giving the Gift of CMS Membership? Purchase a Gift Certificate here.

Important: Usernames must be unique and may not change. You may choose to use your email address for both your Username and Email. If you are already receive the CMS Enews, please use the same email address.

Once you complete your payment, check your email inbox and spam folders. You will receive an email confirming your membership that includes important information.

Note: Discount codes are not applicable to Lifetime Memberships.

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If for some reason your payment does not successfully process through Paypal, your membership will remain at pending. If you choose, you can login and complete the payment: After logging in, click on the “Membership Status/Renewal” link in the right hand menu. Then click on the link that says – Complete Payment.


  • The Cascade Mycological Society is a non-profit under 501(c)(3). (Tax ID 931274419) Donations are tax-deductible to the fullest extent allowed under the law (refer to IRS Publication 526).
  • To maintain an active status, renew your membership annually.
  • CMS does not share membership information with any other groups or organizations.