Other Phytophthora species in California’s Native Habitats
Photo by Janell Hillman, Santa Clara Valley Water District
Several first-in-the-USA detections and newly identified species of Phytophthora in both native plant nurseries and restoration areas have occurred in recent years. Many of these Phytophthora species appear to have wide host ranges, capable of causing disease on plants across many families and in many different habitats. The Phytophthoras in Native Habitats Work Group formed to determine steps needed to protect wildlands and assist the restoration industry. The Work Group is now part of the California Oak Mortality Task Force and serves as an “Other Phytophthoras” committee for that group.
Quick links to additional resourcesBibliography for Phytophthora species in restoration areas, nurseries and wildlands Nursery Accreditation Pilot Program |
Calendar of Events
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More information on Phytophthora detections in California native plant nurseries and restoration areas can be found in the resources below:
- Background document (February 2017)
- Frequently Asked Questions (February 2017)
- Briefing paper (May 2015)
For more information on Phytophthora species that affect trees, visit the Forest Phytophthoras website.
The Phytophthoras in Native Habitats Work Group
- Mission Statement (draft as of November 2015)
- Accomplishment Report 2019-2020
- Accomplishment Report, 2018
- Accomplishment Report, 2017
- Working Group Organizational Chart (draft as of January 2016)
Contact us for more details on how you can be involved with the Work Group.
