Compendium to Invasive Annual Grass Spatial Products for the Western United States, January 2010–February 2021

Data Report 1152
By: , and 



Invasive annual grasses (IAGs) degrade native plant communities, alter fire cycles, impact ecosystem processes, and threaten the persistence of some species. Therefore, controlling the spread of IAGs has become a land management priority in the western United States. A wide array of geospatial data has been developed in the last decade to help land managers combat the invasion and expansion of non-native grasses by identifying areas where these species are likely to occur. However, choosing the most appropriate spatial product to address specific management concerns is a daunting task for many land managers, particularly with the rapid increase in the number of IAG spatial products available. To aid potential users in assessing these products, we reviewed and summarized 23 datasets that captured the three IAG species of most concern to rangeland management—Bromus tectorum (cheatgrass), Taeniatherum caput-medusae (medusahead), and Ventenata dubia (ventenata). To be included in this review, products were required to include part of the western United States, be regional or National in scale, and have been published between January 2010 and February 2021. This review, part of a series of informational data resources, is the compendium to an Excel-readable database and provides a 2-page summary of each spatial data product to assist land managers in understanding and selecting the best available spatial data for their management needs.

Suggested Citation

Saher, D.J., Shyvers, J.E., Tarbox, B.C., Van Schmidt, N.D., Heinrichs, J.A., and Aldridge, C.L., 2022, Compendium to invasive annual grass spatial products for the western United States, January 2010–February 2021: Data Report 1152, 63 p.,

ISSN: 2771-9448 (online)

Study Area

Table of Contents

  • Acknowledgments  
  • Abstract
  • Introduction  
  • Description of the Additional Products in this Informational Series 
  • Spatial Product Summaries
  • References Cited
  • Appendix 1. Additional Invasive Annual Grass Spatial Products
  • Appendix 2. Invasive Annual Grass Websites—Data Resources
  • Appendix 3. Functional Definitions of Summarized Spatial Data Characteristics
Publication type Report
Publication Subtype USGS Numbered Series
Title Compendium to invasive annual grass spatial products for the western United States, January 2010-February 2021
Series title Data Report
Series number 1152
DOI 10.3133/dr1152
Year Published 2022
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Fort Collins Science Center
Description Report: ix, 63 p.; Data Release
Country United States
Other Geospatial western United States
Online Only (Y/N) Y
Google Analytic Metrics Metrics page
Additional publication details