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....   Mammillaria gasterantha REP 934 west of iguala, 1600m - guerrero - mexico Hunt la compara a Mammillaria virginis e riferisce entrambe a Mammillaria spinosissima ssp. spinosissima   Mammillaria gasterantha REP 934 west of iguala, 1600m - guerrero - mexico   Mammillaria gasterantha REP 934 west of iguala, 1600m - guerrero - mexico