Ritterocactus langsdorfii (Lehm.) Doweld in Sukkulenty 3: 60. 2000.

Nomenclatural References

• person : Alexander B. Doweld (b.1973) Based on occurrence of standard abbreviation 'Doweld' in the authors string.
• person : Johann Georg Christian Lehmann (1792-1860) Based on occurrence of standard abbreviation 'Lehm.' in the authors string.
• database : The Plant List version 1.0, record: kew-2417543
• database : The Plant List version 1.1, record: kew-2417543