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. Claire Schneider (2022-2025)
  2. Stephanie Boot (2022-2025)
  3. Nina Alexeeva (2020-2023)
  4. Dave Ferguson (2020-2023)


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

© 2024, SIGNA. For general inquiries about SIGNA please contact Rodney Barton. Please report technical problems to dkramb@gmail.com.
* Some important new updates were added January 2024 indicated by the asterisk in the header. Please check them out!