Gymnocalycium castellanosii subsp. ferocior

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Gymnocalycium castellanosii subsp. ferocior (Backeb. ex H.Till & Amerh.) G.J.Charles in Cactaceae Syst. Init. 20: 18. 2005 sec. Charles 20091

≡Gymnocalycium mostii subsp. ferocior Backeb. ex H.Till & Amerh. in Gymnocalycium 15: 435. 2002 syn. sec. Charles 20091

1. Charles, G. 2009: Gymnocalycium in habitat and culture. – Stamford: Published by the author

–Gymnocalycium hybopleurum var. breviflorum Backeb., Kakteenlex.: 168. 1966, nom. inval., 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 hybopleurum var. centrispinum Backeb., Kakteenlex.: 168. 1966, nom. inval., 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 hybopleurum var. ferocior Backeb., Kakteenlex.: 168. 1966, nom. inval., 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

–Gymnocalycium hybopleurum var. ferox Backeb., Kakteenlex.: 168. 1966, nom. inval., syn. sec. Korotkova 20215
–Gymnocalycium ferox (Backeb.) Slaba in Kaktusy (Brno) 20: 80. 1984, nom. inval., syn. sec. Charles 20096

5. Korotkova, N. 2021: Revisions of Deamia, Disocactus, Epiphyllum, Hatiora, Kimnachia, Lepismium, Leuenbergeria, Lymanbensonia, Pereskia, Pfeiffera, Pseudorhipsalis, Rhipsalidopsis, Rhipsalis, Schlumbergera, Selenicereus, Strophocactus, Weberocereus, and various other names. In: Korotkova N. & al., Cactaceae at Caryophyllales.org – a dynamic online species-level taxonomic backbone for the family. – Willdenowia 51: 250-270. http://doi.org/10.3372/wi.51.51208 , 6. Charles, G. 2009: Gymnocalycium in habitat and culture. – Stamford: Published by the author

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