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.
Extent of naturalization (natural log-transformed number of regions where the species is naturalized) of ornamental Asteraceae species plotted against plant height for fruit heteromorphic and monomorphic species. Each dot in the scatter plot represents a species.
