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

Book excerpt: 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. Related products: 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