Acres of nonindigenous plant species is a required measure under the plants indicator. The plants indicator is under the human-caused change monitoring question for the natural quality.
This measure is reported as a single value for report year.
The table here shows reported invasive plants trends at Anaconda Pintler. As ever, selected measures have filled grey circle, and colors indicate an upward, stable, or downward reported trend. Unselected measures can also be recorded, and are shown as hollow circles in the appropriate color.