The intentional and unintentional release of invasive plant and animal species into delicate ecosystems is a major threat to floral biodiversity; 20 introduced species have been declared weeds of national significance

Thorp, J.R. and Lynch, R. 2000. Weeds of National Significance. Commonwealth of Australia & National Weeds Strategy Executive Committee ISBN 1-876977-20-5

No comments:

Post a Comment