Assertion: mustard seed | /r/AtLocation | north america
Facets:
value: by the spanish
type: OTHER
Source sentences:
text: The mustard seed grows rapidly, and was introduced to North America by the Spanish, who (it is said) sowed it along their trails so that the seed would spring up (full height 1' - 2') and leave a golden trail of it's four lobed flowers for them to follow in their return.