Ferocactus viridescens (Torr. & A. Gray) Britton & Rose, Cact. 3: 140 (1922);
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Potted, cultivated plant.
Ferocactus for sure …, And offhand it looks like my F. peninsulae.
Ferocactus viridescens (Torr. & A.Gray) Britton & Rose ??
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References: POWO Catalogue of Life