Tetradymia

References

  1. Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-11-06 at Archive.today
  2. Candolle, Augustin Pyramus de, 1838. Prodromus Systematis Naturalis Regni Vegetabilis 6: 440 in Latin
  3. Tropicos, Tetradymia DC.
  4. Flora of North America. "Senecioneae". Family List. 20: 540. Retrieved 2009-08-07.
  5. Botanic Garden and Botanical Museum Berlin-Dahlem. "Details for: Senecioneae". Euro+Med PlantBase. Freie Universität Berlin. Retrieved 2009-08-07.
  6. "Tetradymia". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 8 December 2015.
  7. The Plant List search for Tetradymia
  8. Biota of North America Program 2013 county distribution maps
  9. Strother, J. L. 1974. Taxonomy of Tetradymia (Compositae: Senecioneae). Brittonia 26: 177–202.


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