About this tool

Copyright notice

Unless otherwise indicated, content on this website was created or authored by the USDA APHIS PPQ Center for Plant Health Science and Technology (CPHST) in collaboration with North Carolina State University and the University of California-Riverside. CPHST is the scientific support organization for the Plant Protection and Quarantine (PPQ) division of the Animal and Plant Health Inspection Service (APHIS) of the United States Department of Agriculture (USDA). Most of the content in this tool is a work of the U.S. Government and is in the public domain. Public domain information may be freely distributed or copied for non-commercial, personal, or educational purposes. However, it is requested that any subsequent use of this work be given appropriate acknowledgement (see below).

Unless specifically indicated otherwise, the source for plant images included in Citrus ID should be cited as "Herbarium (NCSC)." NCSC is the official abbreviation for the North Carolina State University Herbarium as recognized in the Index Herbariorum. Any commercial use is prohibited without express written permission. Requests may be addressed to: Herbarium, Department of Plant Biology, North Carolina State University, Raleigh, NC 27695-7612. Please note that the logos included in this tool are copyrighted or trademarked.

Suggested citation

Saville, A.C., A. Krings, T. Kahn, M.D. Trice, A.J. Redford. 2011. Citrus ID, Edition 2. USDA APHIS PPQ CPHST, Fort Collins and North Carolina State University. [date you accessed site].



Unless otherwise noted, the information provided in this tool does not represent the official statements or views of North Carolina State University, the University of California-Riverside, or the United States Department of Agriculture and its agencies. The authors, their institutions, and affiliated agencies disclaim all liability of any kind arising from the use of, or misuse of, the information contained and referenced within this resource.

External links

Some web pages on this site provide links to other sites for the convenience of users. CPHST, North Carolina State University, and the University of California-Riverside are not responsible for the availability or content of these external sites, nor do these institutions warrant the products, services, or information described or offered by these external sites.