Cactus schaeferi (Fennel) Kuntze Revis. Gen. Pl. 1: 261. 1891.

Nomenclatural References

• person : Nikolas Fennel (d.1847) Based on occurrence of standard abbreviation 'Fennel' in the authors string.
• person : Otto Kuntze (1843-1907) Based on occurrence of standard abbreviation 'Kuntze' in the authors string.
• database : The Plant List version 1.0, record: kew-2689505
• database : The Plant List version 1.1, record: kew-2689505