Gymnocalycium delaetii subsp. marsoneri (Frič ex Y.Itô) H.Till & Amerh. in Gymnocalycium 21 (Sonderausgabe): 816. 2008.

Nomenclatural References

• person : Alberto Vojtěch Frič (1882-1944) Based on occurrence of standard abbreviation 'Frič' in the authors string.
• person : Hans Till (1920-2012) Based on occurrence of standard abbreviation 'H.Till' in the authors string.
• person : Helmut Amerhauser Based on occurrence of standard abbreviation 'Amerh.' in the authors string.
• person : Yoshio Itō (1907-1992) Based on occurrence of standard abbreviation 'Y.Itô' in the authors string.
• database : The Plant List version 1.0, record: kew-2896287
• database : The Plant List version 1.1, record: kew-2896287