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Suggestion Process

Stakeholder Input
Anyone wishing to suggest a taxa to be evaluated for addition to the NAPPRA category may do so by sending an email to ppq.nappra@aphis.usda.gov or by mail to the following address:

Plants for Planting Policy
ATTN: NAPPRA List Candidates
RPM, PPQ, APHIS, Unit 133
4700 River Road
Riverdale, MD 20737-1236

Submission Process:
In your request please include the taxon's scientific name and author and its common name. If the taxon you would like to be evaluated is a host of a quarantine pest, please also include the scientific name and author and the common name of the pest. See Example.

For each type of suggestion, we would need references to support any information supplied, and the contact information of the person who made the suggestion, so we could follow up if necessary.

Beyond that, helpful information for a taxon to be evaluated as a quarantine pest plant would include:

  • Whether the taxon is present in the United States, and if so, where;
  • If the taxon is present in the United States, information regarding any official control efforts,
  • The taxon's habitat suitability in the United States (predicted ecological range);
  • Dispersal potential (biological characteristics associated with invasiveness);
  • Potential economic impacts (e.g., potential to reduce crop yields, lower commodity values, or cause loss of markets for U.S. goods);
  • Potential environmental impacts (e.g., impacts on ecosystem processes, natural community composition or structure, human health, recreation patterns, property values, or use of chemicals to control the taxon);
  • Potential pathways for the taxon's movement into and within the United States; and
  • The likelihood of survival and spread of the taxon within each pathway.
  • References to support any information supplied.


NAPPRA Quarantine Pest Plant Datasheet Example

Helpful information for a taxon to be evaluated as a host of a quarantine pest would include:

  • If the pest is a pathogen, whether it could be introduced and established in the United States through the importation of seed or other types of propagative material;
  • The pest's habitat suitability in the United States (predicted ecological range);
  • Whether the pest is presented in the United States, and if so, where;
  • If the pest is present in the United States, information regarding any official control efforts,
  • Means by which the pest infests plants;
  • The host range of the pest;
  • The plant parts the pest infests;
  • Potential economic impacts (e.g., potential to reduce crop yields, lower commodity values, or cause loss of markets for U.S. goods);
  • Potential environmental impacts (e.g., impacts on ecosystem processes, natural community composition or structure, human health, recreation patterns, property values, or use of chemicals to control the pest);
  • Other potential pathways for the pest's movement into and within the United States; and
  • The likelihood of survival and spread of the pest within each pathway.
  • References to support any information supplied.


NAPPRA Host of a Quarantine Pest Datasheet Example



Additional Information