Sclerocactus whipplei heilii

Marley, G. 1979. Status report for Sclerocactus whipplei var. heilii. Bureau of Land Management, Albuquerque, New Mexico. USFS.

• Sclerocactus whipplei heilii

Heil, Kenneth D. and J.M. Porter. 1994. Sclerocactus (Cactaceae): A revision. Haseltonia 1994(2): 20-46.

• Sclerocactus whipplei reevsii
• Sclerocactus cloveriae ssp. Brackii
• Sclerocactus cloveriae ssp. cloveriae
• Sclerocactus whipplei heilii