Species Iris Group of North America

What's An Iris? What's SIGNA? Seed Exchange
Publications Species Database Spec-X IOTM
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Or feel free contact the appropriate officer, director, or committee chair listed below via email.



  1. Chuck Chapman
  2. Andi Rivarola
  3. Nina Alexeeva
  4. Dave Ferguson


  • Display Gardens: Volunteer Needed!
  • Seed Exchange: Sean Zera
  • Awards: Barbara Schmeider
  • Nominations Chair: Volunteer Needed!
  • Slide Library: Volunteer Needed!
  • Checklist and Registrations: Volunteer Needed!
  • Membership Secretary: Rodney Barton
  • Publications Chair: Will Plotner
  • Newsletter Editor: Janet Smith
  • Assistant Editor: John Fitzpatrick
  • Facebook Admin: Andi Rivarola
  • Webmaster: Dennis Kramb
  • On-line Robin: Rodney Barton

Sino-Siberian iris 'Piquant Fancy' photo by Will Plotner.

© 2021, SIGNA. For general inquiries about SIGNA please contact Rodney Barton. Please report technical problems to dkramb@badbear.com.