Echinopsis imperialis Hummel in Cact. Succ. J. (Los Angeles) 7: 82. 1935.

Nomenclatural References

• person : Edward C. Hummel (b.1903) Based on occurrence of standard abbreviation 'Hummel' in the authors string.
• database : The Plant List version 1.0, record: kew-2783472
• database : The Plant List version 1.1, record: kew-2783472