9797
It is now a serious weed widespread through Western Australia , the Northern Territory and Queensland , covering about of land , and has the potential to spread through most of the semi-arid to subhumid tropical area in Australia .
 location: Western Australia; location: Northern Territory; location: Queensland; location: Australia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Western Australia; location: Northern Territory; location: Queensland; location: Australia