Assertion: grass carp | /r/Causes | their own brand of trouble
Facets:
value: within the mississippi rivershed
type: LOCATION
Source sentences:
text: The newest carp invaders, bighead carp, black carp, grass carp, and silver carp (collectively known as "Asian carp"), however, are causing their own brand of trouble in the Mississippi River and rivers and lakes within the Mississippi rivershed.