Reference Viewer


Cut-and-Paste Reference:
USDA-APHIS. 2016. Guidelines for the USDA-APHIS PPQ Weed Risk Assessment Process. https://www.aphis.usda.gov/plant_health/plant_pest_info/weeds/downloads/wra/wra-guidelines.pdf. Accessed on 05/16/2018.
Reference Details:
Reference Number: 31407
Type: Web Page
Author: USDA-APHIS
Date (year): 2016
Title:Guidelines for the USDA-APHIS PPQ Weed Risk Assessment Process.
URL: https://www.aphis.usda.gov/plant_health/plant_pest_info/weeds/downloads/wra/wra-guidelines.pdf
Accessed on: 05/16/2018
Created on:
Keywords: risk assessment
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Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/21/2026].

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