Assertion: winter melon's plant | /r/CapableOf | limit their boat access
Facets:
value: through a creek
type: LOCATION
value: in 1765
type: TEMPORAL
Source sentences:
text: Although there is some disagreement on whether water lettuce is native to the United States, the explorer William Bartram described large growths of the aquatic plant limiting their boat access through a creek in 1765.