[3] Its numbers in the wild have been reduced by collecting; it is listed in Appendix I of CITES[3] (meaning that international trade is severely controlled) but only as of "Least Concern" by the IUCN.

The 7 to 12 flexible, whitish, non-persistent spines are arranged somewhat comb-shaped at the tip of the wart and are 5 millimeters long.

[5] Pelecyphora strobiliformis is widespread in the Mexican states of Nuevo León, Tamaulipas and San Luis Potosí in the Chihuahuan Desert at altitudes below 1600 meters.

[6] The specific epithet hintonii honors the Mexican farmer and plant collector George Sebastián Hinton (* 1949), who discovered the species.

Alberto Vojtěch Frič and Ernst Schelle placed them in the genus Pelecyphora in 1935.