California Botanical Society

1 Avicennia germinans

2 Hofmeisteria fasciculata

3 Bajacalia crassifolia
Photos: Debra Valov


The Society welcomes membership by all individuals interested in Western American botany. Subscriptions to Madroño are available for institutions. Membership dues and institutional subscriptions support the publication of Madroño, the leading botanical journal in Western North America. All individual members receive Madroño free, in print and online, and can opt not to receive Madroño in print. Membership and institutional subscriptions are based on the volume year of Madroño, which generally follows the calendar year.

Current membership categories and rates are as follows:

  • Regular: $40
  • Family: $45
  • Emeritus (CalBotSoc member for 10 years or more and now retired): $32
  • Student (seven years maximum eligibility; must provide copy of student ID or advisor's signature): $27
  • Life: $850

Institutional subscriptions to Madroño are $75 per year.

Join or Renew Online

For multiple-year subscription, please adjust “Quantity” on your cart.

Membership Type
New Membership or Renew
Please also indicate if you would like to be a member of this Society but do NOT want to receive printed Madroños (for non-institutional members only)

Join or Renew by Mail

Please send your membership form and dues payment, as well as any requests for changes of address and Madroño delivery inquiries, to the Society's Membership Chair:

Membership/Renewal Form

Kim Kersh
California Botanical Society
c/o Jepson Herbarium
1001 Valley Life Sciences Building
Berkeley, CA 94720 - 2465

Make a Contribution

Adjust the “Quantity” to match your donation amount.

Endowment Fund

Annetta Carter Fund Donation
Graduate Student Research Fund


Membership Chair
Kim Kersh
Tel: 510 643 7008