Echinocereus triglochidiatus var. melanacanthus (Engelm.) L.D.Benson in Proc. Calif. Acad. Sci., ser. 4, 25: 253. 1944.

Nomenclatural References

• person : George Engelmann (1809-1884) Based on occurrence of standard abbreviation 'Engelm.' in the authors string.
• person : Lyman David Benson (1909-1993) Based on occurrence of standard abbreviation 'L.D.Benson' in the authors string.
• database : The Plant List version 1.0, record: kew-2782895
• database : The Plant List version 1.1, record: kew-2782895