Horridocactus nigricans (A.Dietr. ex K.Schum.) Backeb. & Dölz in Repert. Spec. Nov. Regni Veg. 51: 61. 1942.

Nomenclatural References

• literature : Dölz, B. (1942). Bemerkungen zu Kreuzingers Bemerkungen zu einigen Gattungen der Cactaceae. Repertorium Novarum Specierum Regni Vegetabilis, 51(4–7), 49–61. Portico. https://doi.org/10.1002/fedr.19420510402 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Albert Gottfried Dietrich (1795-1856) Based on occurrence of standard abbreviation 'A.Dietr.' in the authors string.
• person : Curt Backeberg (1894-1966) Based on occurrence of standard abbreviation 'Backeb.' in the authors string.
• person : Karl Moritz Schumann (1851-1904) Based on occurrence of standard abbreviation 'K.Schum.' in the authors string.
• database : The Plant List version 1.0, record: kew-2853448
• database : The Plant List version 1.1, record: kew-2853448