Photo: Mammillaria heyderi 1.
Botanical name:
Plant in fruit. Chiricahuas, AZ, US. Wild. 1998-04-01.
Mammillaria heyderi Muehlenpfordt
Engl.: horsecrippler, little nipple cactus, ball cactus, cream cactus, cream pincushion, flat cream pincushion, pancake pincushion.
Bot. syn.: Mammillaria gummifer Engelm., Mammillaria macdougalii Rose, Mammillaria meiacantha Engelm.
