Undoubtedly indigenous, species occurring naturally in a given area.
Having its origins in a particular geographic area, as in a plant native to the Western United States.
A plant indigenous to the locality.
Indigenous to a country or region and having arrived by natural means, not introduced, intentionally or un intentionally, by humans.
Much the same as indigenous: a term denoting the relationship of a plant species to a particular geographical region.
A plant naturally occurring in an area and not introduced from elsewhere.