FIGURE 1.
Occurrence data of Ageratina adenophora in its native (Mexico) and invasive (China), countries. The data were retrieved from online databases and field surveys.
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.