Homalocephala parryi

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Cacteae
Genus: Homalocephala
Species:

Homalocephala parryi (Engelm.) Vargas-Luna & Bárcenas, PhytoKeys 111: 49 (2018).

• Echinocactus parryi Engelm. in Proc. Amer. Acad. Arts 3: 276. 1856 syn. sec. Vargas-Luna & al. 2018
• Emorycactus parryi (Engelm.) Doweld in Succulenta (Netherlands) 75: 270. 1996 syn. sec. Kew WCVP (2019)

Native distribution areas:
Continental: Northern America Regional: Mexico Mexico (Sonora, N. Chihuahua, Coahuila). References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

• Vargas-Luna, M.D., Hernández-Ledesma, P. & Majure, L.C. 2018. Splitting Echinocactus: morphological and molecular evidence support the recognition of Homalocephala as a distinct genus in the Cacteae. PhytoKeys 111: 31–59. DOI: 10.3897/phytokeys.111.26856 Reference page. 

• 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. 

• Korotkova, N. et al. 2021. Homalocephala parryi in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published online. Accessed: 2021 Nov 14. Reference page. 
• Govaerts, R. et al. 2021. Homalocephala parryi in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2021 Nov 14. Reference page. 
• International Plant Names Index. 2021. Homalocephala parryi. Published online. Accessed: Nov 14 2021. Reference page.
• Tropicos.org 2021. Homalocephala parryi. Missouri Botanical Garden. Published online. Accessed: 14 Nov 2021. Reference page.
• Hassler, M. 2021. Homalocephala parryi. 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 Nov 14. Reference page. 

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