Pimienta Barrios, E. 1997 El nopal en México y el mundo. [Nopal in Mexico and in the World.]. Suculentas Mexicanas/Cactaceas. [Mexican Succulents/Cacti.] CVS Publications. CONABIO, SEMARNAP/PROFEPA, UNAM Mexico 143 pp.

Notes: [English translation on pp.132-135.] Dactylopius coccus is mentioned.