Trichocereus-macrogonus-giganteus-Field-NMCR Published November 8, 2014 at 1280 × 960 in NMCR 2010 macrogonus-pachanoi ← Previous Next → Trichocereus macrogonus giganteus at NMCR in 2010. Seed came from Field but Field has no knowledge of this name. Field DOES have a Trichocereus macrogonus from Blossfeld’s expedition.