Nuttallii is a specific epithet given to a variety of plant species. For instance, the Nuttall's oak tree is named after Thomas Nuttall, an English botanist. Synonyms for nuttallii are often used to refer to the same or similar plant species. For the Nuttall's oak tree, alternative names include Quercus texana, Texas red oak, or Nuttall oak. Other plant species that carry the nuttallii epithet include the Nuttall's violets, Nuttall's toothwort, and Nuttall's sunflower. While different species may share the same specific epithet, many times the descriptors following nuttallii will vary to denote the specific plant it refers to.