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PLANTS Citation and Acknowledgements

Conditions of Image and Data Use


The use of most images at PLANTS requires permission. Conditions of use vary as follows, but acknowledgement is required under all circumstances:

Non-copyrighted images: Use of these public domain PLANTS images is unrestricted (i.e., free for any use) and requires no notification of the photographer or the PLANTS Database, but full acknowledgement is required.

Copyrighted images: Such images can be used only with the permission of the copyright holder or designated contact person. Please see the Usage Guidelines displayed with each picture for the contact information for the copyright holder or designated contact person, and use it to communicate with them directly regarding any use of copyrighted images.

Acknowledgement: Any use of any PLANTS image requires proper credit to the photographer or illustrator, copyright holder, institution, and the PLANTS Database. Here are two examples of appropriate acknowledgment:

©J.S. Peterson

Robert Mohlenbrock
USDA, NRCS, 1997 - Northeastern Wetlands Flora @ USDA-NRCS PLANTS Database


Plant Information

Our plant information, including the distribution maps, lists, and text, is not copyrighted and is free for any use.  Please cite the PLANTS Database as:

USDA, NRCS. 2021. The PLANTS Database (, 10 April 2021). National Plant Data Team, Greensboro, NC 27401-4901 USA.



Linking to PLANTS

Linking to plant profile pages, or any page on PLANTS, requires no permission and we welcome it. However, linking to an individual image may require permission depending on the Usage Guidelines for that image.