Echinocactus gibbosus f. fennellii (F.Haage ex K.Schum.) Schelle Handb. Kakteenkult.: 186. 1907.

Nomenclatural References

• person : Ernst Schelle (1864-1945) Based on occurrence of standard abbreviation 'Schelle' in the authors string.
• person : Ferdinand Friedrich Haage (1859-1930) Based on occurrence of standard abbreviation 'F.Haage' in the authors string.
• person : Karl Moritz Schumann (1851-1904) Based on occurrence of standard abbreviation 'K.Schum.' in the authors string.
• database : The Plant List version 1.0, record: kew-2781818
• database : The Plant List version 1.1, record: kew-2781818