Cylindropuntia chuckwallensis M.A.Baker & Cl.-Hughes Marc A. Baker, Michelle A. Cloud-Hughes: Cylindropuntia chuckwallensis (Cactaceae), a New Species from Riverside and Imperial Counties, California. In Madroño. Band 61, Nummer 2, 2014, S. 231–243
http://www.bioone.org/doi/abs/10.3120/0024-9637-61.2.231