Figure 3. Scanning electron microscopy for Opuntia ficus-indica.... ResearchGate
Nopal beverage (Opuntia ficus-indica) as a non-traditional food: Sensory properties, expectations, experiences, and emotions of low-income and food-insecure Brazilian potential consumers ScienceDirect.com
Antique illustration: Opuntia ficus-indica, the Indian fig opuntia, fig opuntia or prickly pear - stock illustration Getty Images
Research on farming with spineless cactus pears ofm.co.za