Gymnocalycium spegazzinii subsp. cardenasianum

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Gymnocalycium spegazzinii subsp. cardenasianum (F.Ritter) R.Kiesling & Metzing in Darwiniana 34: 404. 1996 sec. Hunt 20161

≡Gymnocalycium cardenasianum F.Ritter in Taxon 13(4): 144. 1964 syn. sec. Hunt 20161

1. Hunt, D.R. 2016: CITES Cactaceae Checklist. 3rd edition. – published by the author

=Gymnocalycium armatum F.Ritter, Kakteen Südamerika 2: 662. 1980 syn. sec. Metzing 20212
≡Gymnocalycium cardenasianum f. armatum (F.Ritter) H.Till & Amerh. in Gymnocalycium 12: 308. 1999 syn. sec. Metzing 20212
≡Gymnocalycium spegazzinii subsp. armatum (F.Ritter) Halda & Šorma in Acta Mus. Richnov., Sect. Nat., 9: 65. 2002 syn. sec. Metzing 20212
≡Gymnocalycium cardenasianum subsp. armatum (F.Ritter) V.Gapon & Vikulov in Kaktus-Klub, n.s. 5(1): 50. 2021 syn. sec. Metzing 20212

2. Metzing, D. 2021: Revisions of Frailea, Gymnocalycium and various other genera. – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270. http://doi.org/10.3372/wi.51.51208

=Gymnocalycium cardenasianum var. pseudocrassispinum Milt in Cactaceae etc. 29: 29-30. 2019 syn. sec. Metzing 20213

3. Metzing, D. 2021: Revisions of Frailea, Gymnocalycium and various other genera. – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270. http://doi.org/10.3372/wi.51.51208

=Gymnocalycium cardenasianum subsp. pseudoarmatum V.Gapon & Vikulov in Kaktus-Klub, n.s. 5(1): 50. 2021 syn. sec. Metzing 20214

4. Metzing, D. 2021: Revisions of Frailea, Gymnocalycium and various other genera. – In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 251-270. http://doi.org/10.3372/wi.51.51208

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