Golden barrel cactus  (Echinocactus grusonii)

Close up of golden barrel cactus spines

© Lauren DiPerna

Close up of the spines of a golden barrel cactus

© Pete Atkinson / www.nhpa.co.uk

Golden barrel cactus close up

© Lawrence Michael / naturepl.com

Close up of a golden barrel cactus

© Alastair Shay / www.osfimages.com

Flower of a golden barrel cactus

© Chris Sharp / www.osfimages.com

Close up of a golden barrel cactus in flower

© Jack Dermid / www.osfimages.com

Close up of golden barrel cactus

© Muriel Hazan / Biosphoto

Golden barrel cacti

© Geoff Bryant / www.nhpa.co.uk

Golden barrel cacti growing together

© Chris Sharp / www.osfimages.com

Golden barrel cacti in habitat

© Emmanuel Lattes / Biosphoto