Appendix 2 – List of areas regulated for the control of Phytophthora ramorum
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October 5, 2023
Regulated areas in Europe
- All countries of the European Union
- Norway
- Switzerland
- United Kingdom
Regulated areas in the continental United States
1. Counties in California
- Alameda
- Contra Costa
- Del Norte
- Humboldt
- Lake
- Marin
- Mendocino
- Monterey
- Napa
- San Francisco
- San Mateo
- Santa Clara
- Santa Cruz
- Solano
- Sonoma
- Trinity
2. Counties in Oregon
- Curry
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