An invasive plant may be left in an area if it has assumed the position of a keystone species.
Keystone species are species of organisms whose roles are quite important to the structure and functions of ecosystems and their removal may cause a major upset to the equilibrium of the ecosystem or lead to the non-existence of the ecosystem outrightly.
Thus, if removing an invasive plant may harm the ecosystem in a major way, a restoration ecologist might want to reconsider and leave such a plant species in the area.
More on invasive species can be found here: https://brainly.com/question/21452505?referrer=searchResults
