It has a range of about one square kilometer in the calcareous semi-desert of the Sierra de la Paila in Coahuila, Mexico.

[citation needed] The fleshy warts are somewhat flexible and grow up to 0.5 cm (0.20 in) in size.

[2] Acharagma aguirreanum is widespread in Mexico in the state of Coahuila at the western end of the Sierra de la Paila.

[citation needed] It was first described as Gymnocactus aguirreanus in 1972 by Charles Edward Glass and Robert Alan Foster.

[3] The specific epithet aguirreanum honors the Mexican cactus specialist Gustavo Aguirre Benaides from Parras de la Fuente.