
ESA001-00064
An endangered Nichol turk’s head cactus (Echinocactus horizonthalonius var. nicholii) at the Arizona Sonora Desert Museum, Tucson, Arizona.
Keywords
- Arizona-Sonora Desert Museum
- Cactus
- Close-up
- countdown
- countdown to extinction
- Echinocactus horizonthalonius
- Echinocactus horizonthalonius var. nicholii
- endangered plants
- endangered spcies
- endangered species act
- extinction
- full frame
- head cactus
- nichol turk's head cactus
- nicholii
- Photo Ark
- Plant
- Portrait
- rare
- studio
- threatened
- turk's head cactus
This photo © Joel Sartore 2018. Image usage guidelines

This photo is part of the Photo Ark.