A Guide to Nonnative Invasive Plants Inventoried in the North by Forest Inventory and Analysis

This field guide is intended to aid Forest Inventory and Analysis (FIA) foresters in identifying 44 plants listed in Appendix I of the FIA Field Guide 4.0 (http: //nrs.fs.fed.us/ fia/data-collection/). This document will change as invasive species are added or removed from the list. Appendix A includes Leaf and inflorescence morphology, descriptive terms, and descriptive flower shapes. Appendix B contains a comparison of nonnative shrubbery Lonicera. Appendix C includes keys to the species, Lonicera. Appendix D contains a comparison of nonnative Berberis species. Appendix E contains keys to the species Berberis. Appendix F contains Notes about Polygonum (Fallopia) species. Appendix G contains a key to the species Elaeagnus. A Glossary is also included.

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Other products produced by the U.S. Department of Agriculture, U.S. Forest Service can be found here; https: //bookstore.gpo.gov/agency/us-forest-service

Plants collection is available here: https: //bookstore.gpo.gov/catalog/plants