Synonyms

• Basionym
  • Cereus pringlei S.Watson, Proc. Amer. Acad. Arts 20: 368 (1885).

• Heterotypic
  • Cereus calvus Engelm. ex J.M.Coult., Contr. U.S. Natl. Herb. 3(7): 409 (1896).
  • Cereus pringlei var. calvus (Engelm. ex J.M.Coult.) M.E.Jones, Contr. W. Bot. 18: 60 (1933).
  • Cereus titan Engelm. ex J.M.Coult., Contr. U. S. Natl. Herb. 3: 409 (1896).
  • Pachycereus calvus (Engelm. ex J.M.Coult.) Britton & Rose, Contr. U. S. Natl. Herb. 12: 420 (1909).
  • Pachycereus pringlei f. calvus (Engelm. ex J.M.Coult.) P.V.Heath, Calyx 2(3): 107 (1992).
  • Pachycereus pringlei f. constrictus P.V.Heath, Calyx 2(3): 107 (1992).
  • Pachycereus pringlei f. cristatus P.V.Heath, Calyx 2(3): 107 (1992).
  • Pachycereus pringlei f. gibbosus P.V.Heath, Calyx 2(3): 107 (1992).
  • Pachycereus titan (Engelm. ex J.M.Coult.) Britton & Rose, Contr. U. S. Natl. Herb. 12: 422 (1909).

Primary references

• Britton, N.L. & Rose, J.N. 1909: Contributions from the United States National Herbarium''. Smithsonian Institution 12: 422.

Additional references

• Korotkova, N., Aquino, D., Arias, S., Eggli, U., Franck, A. , Gómez-Hinostrosa, C., Guerrero, P.C., Hernández, H.M., Kohlbecker, A., Köhler, M., Luther, K., Majure, L.C., Müller, A., Metzing, D., Nyffeler, R., Sánchez, D., Schlumpberger, B. & Berendsohn, W.G. 2021. Cactaceae at Caryophyllales. org–a dynamic online species-level taxonomic backbone for the family. Willdenowia 51(2): 251–270. DOI: 10.3372/wi.51.51208 Reference page. 

Links

• Korotkova, N. et al. 2021. Pachycereus pringlei in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published online. Accessed: 2021 Dec 18. Reference page. 
• Govaerts, R. et al. 2021. Pachycereus pringlei in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2021 Dec 18. Reference page. 
• International Plant Names Index. 2021. Pachycereus pringlei. Published online. Accessed: Dec 18 2021.
• Tropicos.org 2021. Pachycereus pringlei. Missouri Botanical Garden. Published online. Accessed: 18 Dec 2021.
• Hassler, M. 2021. Pachycereus pringlei. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2021. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2021 Dec 18. Reference page. 
• The Plant List 2013. Version 1.1 Royal Botanic Gardens, Kew and Missouri Botanical Garden. Published online. Accessed: 2014 Sep 16.
• USDA, ARS, Germplasm Resources Information Network. Pachycereus pringlei in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 07-Oct-06.