Guy L. Nesom

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Guy L. Nesom
Born (1945-08-02) August 2, 1945 (age 78)[2]
Alma materUniversity of North Carolina
Davidson College[1]
Scientific career
FieldsSystematic Botany[1]
InstitutionsUniversity of Texas at Austin[1]
Author abbrev. (botany)G.L.Nesom

Guy L. Nesom (born August 2, 1945)[2] is an American writer and botanist.

Nesom received his Ph.D. in systematic botany from the University of North Carolina in 1980, and has since contributed much to the fields of botanical nomenclature, systematics, and evolution. His most notable contributions are probably his works on the Asteraceae of North America, with several papers published throughout the 1990s that argued for multiple generic names to replace the single polyphyletic name Aster,[3] and his recent and ongoing contributions to the Flora of North America project.[4]

Several plant species have been named for Nesom, such as Zeltnera nesomii of the gentian family[5] and Steviopsis nesomii of the aster family.[6] Three genera are named in his honor: Nesomia, Neonesomia, and Guynesomia.[7][8][9]

The standard author abbreviation G.L.Nesom is used to indicate this person as the author when citing a botanical name.[10]


  1. ^ a b c Nesom, G.L. "Writing: professional experience and education". ( Retrieved 22 June 2021.
  2. ^ a b U.S. Public Records Index Vol 2 (Provo, UT: Operations, Inc.), 2010.
  3. ^ Semple, John C. "Asters: An Overview". University of Waterloo. Retrieved 18 April 2012.
  4. ^ FNA. "Flora of North America". Retrieved 18 April 2012.
  5. ^ Turner, B. L. (2011). A new species of Zeltnera (Gentianaceae) from Tamaulipas, Mexico. Phytoneuron 61 1-3.
  6. ^ Turner, B. L. (1990). A new species of Steviopsis (Asteraceae: Eupatorieae) from Nuevo León, México. Phytologia 68 410-12.
  7. ^ Turner, B. L. (1991). Nesomia chiapensis (Asteraceae-Eupatorieae), a new genus and species from Mexico. Phytologia 71 208-11.
  8. ^ Bonifacino, Mauricio & Sancho, Gisela. 2004. Taxon 53(3): 675–678, figures 1–3, 4 [map].
  9. ^ Urbatsch, Lowell Edward & Roberts, Roland P. 2004. Sida 21(1): 252–254
  10. ^ International Plant Names Index.  G.L.Nesom.

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