Assertion: himalayan balsam | /r/AtLocation | the british isles
Facets:
value: in 1839
type: TEMPORAL
value: by victorian plant hunters
type: OTHER
Source sentences:
text: Colonising rail and river banks, wastelands and woodlands, Himalayan balsam was introduced to the British Isles in 1839 by Victorian plant hunters who were keen on its beautiful pink flowers and exploding seed pods.