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  • Dicotyledonae
  • Hall, E.
  • Illinois
  • Menard
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  • Illinois
  • Menard
  • North America
  • United States
  • 1860s
  • NMNH - Botany Dept.
  • Dicotyledonae
  • Dicotyledonae
  • Lamiales
  • Lamiales
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  • Callitriche heterophylla Pursh emend. Darby
  • Callitriche heterophylla Pursh emend. Darby