Assertion: sweet flag | /r/CapableOf | spread to the northern united states
Facets:
value: since
type: TEMPORAL
value: native to eastern countries
type: OTHER
Source sentences:
text: Native to Eastern countries, Acorus calamus has since spread to Europe, Japan and the Northern United States.
text: Native to Eastern countries, Acorus calamus has since spread to Europe, Japan and the Northern United States.