Echinocactus acuatus var. corynodes (Otto ex Pfeiff.) Speg. in Anales Mus. Nac. Buenos Aires, ser. 3 4: 494. 1905.

Nomenclatural References

• person : Carlos Luigi Spegazzini (1858-1926) Based on occurrence of standard abbreviation 'Speg.' in the authors string.
• person : Christoph Friedrich Otto (1782-1856) Based on occurrence of standard abbreviation 'Otto' in the authors string.
• person : Ludwig Karl Georg Pfeiffer (1805-1877) Based on occurrence of standard abbreviation 'Pfeiff.' in the authors string.
• database : The Plant List version 1.0, record: kew-2781546
• database : The Plant List version 1.1, record: kew-2781546