Not an accepted name (status: unknown).
The accepted name is
Ferocactus macrodiscus (Mart.) Britton & Rose, 1922.
Ferocactus macrodiscus subsp. septentrionalis
(J.Meyrán) N.P.Taylor, 1998
2% complete
No common name
Cactaceae Consensus Init. 5: 13 (1998)
There is no corrections for Ferocactus macrodiscus subsp. septentrionalis yet.