Distribution, Density, and Abundance of Parthenium Weed (Parthenium hysterophorus L.) at Kuala Muda, Malaysia

Table 1

Classification of severity of parthenium infestation.

Symbol used	Severity class	Percent coverage
T	Trace/rare	Less than 1%
L	Low/occasional plants	Between 1 and 5%
M	Moderate/scattered plants	Between 5 and 25%
H	High/fairly dense	Between 25 and 100%

Adopted from the U.S. Department of the Interior [18] and Cooksey and Sheley [16].