Another spiky friend, thanks #coronacactus ! #grusoniainvicta #opuntiainvicta #coronacactus #imscured #cacticollection #art https://t.co/E4wIDDYrru Jeff Soto https://t.co/YXSXcLnxIQ

— iNSPIRE (@theifckr) 2017.12.6

Photo: Grusonia invicta / Dagger cholla Desert Botanical Garden, Phoenix Also classified as Opuntia invicta... http://t.co/RRserBubfP

— Dustin Miller (@zoopunkwild) 2014.9.16