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Mammillaria grahamii Engelm.
Syn. Cact. U. S. 6. 1856 Proc. Amer. Acad. Arts 3: 262. 1857

(9 Photos)
  • by valentino
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  • by cactus-art
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  • Mammillaria grahamii in habitat (Arizona)
    by RapCactus
  • Mammillaria grahamii in habitat (Arizona)
    by RapCactus
  • Mammillaria grahamii, Roosvelt Lake, Arizona, Usa
    by RapCactus