Stock Photo - Houstonia caerulea (azure bluet or Quaker ladies) is a perennial species in the family Rubiaceae. It is native to eastern Canada (Ontario to Newfoundland) and the eastern United States.

Stock Photo: Houstonia caerulea (azure bluet or Quaker ladies) is a perennial species in the family Rubiaceae. It is native to eastern Canada (Ontario to Newfoundland) and.

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