Assertion: grassland's area | /r/HasProperty | covered by imperata cylindrica
Facets:
value: in nearly pure stand
type: LOCATION
Source sentences:
text: Very large areas in the tropics are covered by Imperata cylindrica, often in nearly pure stand; this relatively unpalatable, strongly rhizomatous grass is hard to eradicate, burns easily and thus makes the re-establishment of forest cover difficult.