Search the EFG

Select options from any of the categories below, then click "Search" at the bottom of the page.

Selecting more than one option in a category will search for either characteristic (i.e. either "pink" or "white" flowers).
To select more than one option in a scrolling menu, hold down the Ctrl key on a PC (Command key on a Mac) when you click the mouse button.

genus:
species:
family:
subclass:
superorder:
order:
growth form:
life history:
native range (syn):
noxious weed in the u.s.:
weedy in native range:
introduced range:
type of introduction:
vectors:
number of vectors:
level of invasiveness: