Assertion: elm's area | /r/CapableOf | extend across essex
Facets:
value: from the hertfordshire border
type: LOCATION
value: to southern suffolk
type: LOCATION
Source sentences:
text: In England, according to the field-studies of R. H. Richens, "The largest area [of hybridization] is a band extending across Essex from the Hertfordshire border to southern Suffolk.