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.
Geographical distributions (A) of A. guttata (green) and A. szechenyi (yellow) in China based on herbarium and field investigations, and photographs of flowers of A. guttata (B) and A. szechenyi (C). The red dot indicates the study site in the field.
