31 March 2022
Researchers are asking the public to help with information on the whereabouts of the Tree of Heaven (Ailanthus altissima). This alien invader is native to China and is present in all South African provinces.
If you see the tree at any locality (e.g., roadside, garden), please collect the following information:
1). The exact (GPS) location of the plant
2) A picture of the plant (if possible)