In the end, it was a tiny cactus needle embedded in his toe after a river trip that put ethnobotanist, river guide and artist Jonah Hill, who is Hopi and Quechan, into the hospital with a life-threatening infection.In the end, it was a tiny cactus needle embedded in his toe after a river trip that put ethnobotanist, river guide and artist Jonah Hill, who is Hopi and Quechan, into the hospital with a life-threatening infection.