Gymnocalycium pflanzii

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Cereeae
Subtribus: Gymnocalyciinae
Genus: Gymnocalycium
Subgenus: G. subg. Muscosemineum
Sectio: G. sect. Pirisemineum
Species:
Subspecies: G. p. subsp. argentinense – G. p. subsp. pflanzii – G. p. subsp. zegarrae

Gymnocalycium pflanzii (Vaupel) Werderm., Repert. Spec. Nov. Regni Veg. Sonderbeih. C t. 94. 1935.

The specific epithet honors Karl Pflanz (1872–1925).

• Echinocactus pflanzii Vaupel

• Werdermann, E. (1935) Repertorium Specierum Novarum Regni Vegetabilis. Sonderbeiheft C. Berlin-Dahlem C t. 94.

• Govaerts, R.H.A. 2003. World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew. [unavailable for the public] Reference page. 
• Pilbeam, J.W. 1995. Gymnocalycium, A Collector's Guide. A. A. Balkema, Rotterdam, Brookfield. PDF. 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. Gymnocalycium pflanzii in Cactaceae at Caryophyllales.org. A global synthesis of species diversity in the angiosperm order Caryophyllales. Published online. Accessed: 2021 Dec 04. Reference page. 
• Govaerts, R. et al. 2021. Gymnocalycium pflanzii in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2021 Apr 13. Reference page. 
• International Plant Names Index. 2021. Gymnocalycium pflanzii. Published online. Accessed: Apr 13 2021. Reference page.
• Tropicos.org 2021. Gymnocalycium pflanzii. Missouri Botanical Garden. Published online. Accessed: 13 Apr 2021. Reference page.
• Hassler, M. 2021. Gymnocalycium pflanzii. 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 Apr 13. Reference page. 

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