In article , cra2 deletethis_cra2
@mindspring.com writes

So, if I moved a female plant, for example, to an area of the country where
no plants of the opposite sex existed, the plant could not reproduce,
correct?

Yes, but. Many plants can also reproduce vegetatively.

Can you name any specific examples?

At one point it was believed that there were no locations in the UK
where both sexes of wild _Populus nigra_ existed sufficiently closely
together. (They've since found a reasonably sized population in the Vale
of Aylesbury.)
--
Stewart Robert Hinsley