Ku Një Farë E Keqe
Amerika Veriut | US Department of Agriculture |
Karibbe | University of Puerto Rico |
Amerika Qendrore | Plants of the World Online |
Australi | R.P. Randall (2007) - The Introduced Flora of Australia and its Weed Status |
Ishujt e Paqësorit | Pacific Island Ecosystems at Risk (PIER) |
Oqeani Indian | Plants of the World Online |