Ferocactus peninsulae subsp. townsendianus (Britton & Rose) Pilbeam & Bowdery, Ferocactus: 83. 2005 Ferocactus peninsulae subsp. townsendianus (Britton & Rose) Pilbeam & Bowdery, Ferocactus: 83. 2005Taxon for this nameFerocactus peninsulae subsp. townsendianus (Britton & Rose) Pilbeam & Bowdery