An official website of the United States government
Here's how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Provides access to all site resources, with the option to search by species common and scientific names. Resources can be filtered by Subject, Resource Type, Location, or Source. Search Help
How do Great Lakes water levels affect expansion and management? This geonarrative aims to provide land managers, decision makers, and the public with a historical perspective on the influence of water levels on Phragmites expansion and to identify Phragmites populations best suited for management in high water. See also: Geonarratives for all USGS geonarrative / story map resources
New Mexico State University. College of Agricultural, Consumer, and Environmental Sciences.
The Plant Diagnostic Clinic is designed to provide plant diagnostic services for the state of New Mexico. The clinic also facilitates insect and weed identification through referrals to other specialists.