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Taxon author: Torr. & A. Gray ex Hook.

ITIS records citing taxon author "Torr. & A. Gray ex Hook."
 
 Kingdom Plantae
  Nuttallia cerasiformis Torr. & A. Gray ex Hook. & Arn. -- not accepted
  Oemleria cerasiformis (Torr. & A. Gray ex Hook. & Arn.) J.W. Landon -- accepted -- Indian plum
  Osmaronia cerasiformis (Torr. & A. Gray ex Hook. & Arn.) Greene -- not accepted
  Populus trichocarpa Torr. & A. Gray ex Hook. -- accepted -- black cottonwood
   

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