Worthington, Richard. Survey for Kuenzler's Cactus, Echinocereus fendleri (Engelm.) ex Rumpler var. kuenzleri On Texas Hill, Guadalupe Mts, New Mexico. Southwestern Research and Professional Services, El Paso, TX. 5p.

• Kuenzler's hedgehog cactus
• Echinocereus fendleri var. kuenzleri
• kuenzler's cactus