"It also has the ability to smother the understory, which prevents seedling recruitment."
Keast urges members of the community to report any sightings to Horizons' pest plant team so biosecurity officers or contractors can control it for you.
"You can identify them by their glowing yellow leaves before they drop off in winter.
"If you think you may have seen some, please make sure to call us as incorrectly removing them yourself may result in further spreading of the plant."
This pest plant is also banned from sale and distribution throughout New Zealand.
To report any sightings, free phone Horizons on 0508 800 800 and talk to the HRC pest plant team.
For more information about climbing spindleberry, visit www.weedbusters.org.