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.
Foraging estimates and vegetative reproduction potential. [Vegetative reproduction potential: long-term ordinal scale data. Level of thinning needed in order to balance species expansion. Species scored at maximum level (5) must be thinned more than once a year, species at the minimum level (1) do not spread nor do not need thinning at all. See Herben et al. (2012) for further details explanation]. Widths of the boxes show square-root of number of cases (species).
