Haageocereus weberbaueri var. horridispinus (Rauh & Backeb.) P.V.Heath in Calyx 5: 65. 1995.

Nomenclatural References

• person : Curt Backeberg (1894-1966) Based on occurrence of standard abbreviation 'Backeb.' in the authors string.
• person : Paul V. Heath (b.1950) Based on occurrence of standard abbreviation 'P.V.Heath' in the authors string.
• person : Werner Rauh (1913-2000) Based on occurrence of standard abbreviation 'Rauh' in the authors string.