Echinomastus unguispinus (Engelm.) Britton & Rose

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Echinomastus unguispinus (Engelm.) Britton & Rose

Echinomastus unguispinus (Engelm.) Britton & Rose, Cactaceae (Britton & Rose) 3: 150. 1922 sec. Guzmán & al. 2003
  • Echinocactus unguispinus Engelm., Memoir Tour N. Mexico [Wislizenus]: 111. 1848 syn. sec. Guzmán & al. 2003