Desert habitat photo of an Mammillaria species (pin-cushion cactus) in Arizona. Possibly Mammillaria grahamii. © Rob Huntley
Pincushion cactus. Mammillaria species cactus in desert habitat in Arizona. Possibly Mammillaria grahamii. © Rob Huntley
Desert habitat photo in Arizona showing a saguaro (Carnegia gigantea) and a hedgehog cactus (Echinocereus species). © Rob Huntley
