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.
Potential geographical distribution of Ageratina adenophora in Mexico and China based on the corresponding bioclimatic variables and occurrence records. (a) Based on bioclimatic variables and occurrence records in Mexico. (b) Based on bioclimatic variables and occurrence records in China.
