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Table  04   (Nat., Creature)
Common Species of Alien Invasive Flora Found in Sri Lanka
nat 04e
Species	Common Name	Adverse Impact on Agriculture
Alocasia macrorrhiza	-	-
Alstonia macrophylla	Hawarinuga	-
Alternanthera philoxeroides	Alligator Weed	-
Annona glabra	Welatha	-
Centrum aurantium	-	-
Chomolaena odorata	Siam Weed	Yes
Clidemia hirta	Hkiry Clidemia / Koster's Curse	Yes
Clusia rosea	Galgoraka	-
Colocasia esculenta	-	-
Dillenia suffruticosa	Diyapara	-
Eichhornia crassipes	Water Hyacinth	Yes
Eupatorium riparium	Mistflower	-
Hydrilla verticillata	Hydrilla	-
Imperata cylindrica	Cogon Grass ( Illuk )	Yes
Lantana camara	Prickly Lantana	Yes
Leucaena leucocephala	Leucaena	-
Miconia calvescens	Velvet Plant	-
Mikania nicrantha	Mile - a - minute Weed	Yes
Millingtonia hortensis	-	-
Mimosa pigra	Giant Sensitive Plant	-
Mimosa invisa	-	Yes
Myroxylon balsamun	Kattakumanjal	-
Najas marina	Pond Weed	-
Opuntia stricta	Erect Prickly Pear Cactus	-
Panicum maximum	Guinea Grass	Yes
Parthenium hysterophorus	Congress Weed	Yes
Phragmites karka	-	-
Pistia stratiotes	Water Littuce	-
Prosopis juliflora	Mesquite	-
Psidium littorale	Strawberry Guava	-
Pteridium aquilinum	-	-
Salvinia molesta	Salvinia	Yes
Swietenia macrophylla	Mahogany	-
Tithonia diversifolia	Naththasoorya	Yes
Typha angustifolia	Cattail	-
Ulex europaeus	Gorse	-
Wedelia trilobata	Wedelia	-
Xanthium indicum	-	-
© ２００８， KRI (Kusaka Research Institute)
Source:
Statistical Compendium on Natural Resources Management Sri Lanka 2000,
Ministry of Forestry & Environment
Revised:  2008(y)/08(m)/10(d)
Chief Editor:
Dr. Milton Rajaratne (B.Com., M.Sc., Ph.D.)
The Head, Department of Management Studies
University of Peradeniya, Sri Lanka