Agave
- Information and several photographs of the Century Plant growing in the deserts of Baja California.
- http://www.biology.ed.ac.uk/research/groups/jdeacon/desertecology/agaves.htm#top

Agave lecheguilla
- Information and several photographs of Lechuguilla growing in the Chihuahuan Desert.
- http://www.biology.ed.ac.uk/research/groups/jdeacon/desertecology/lechugu.htm#top

Agave tubulata
- Description and photographs of this species growing in its natural habitat in Cuba.
- http://www.cybertruffle.org.uk/vinales/eng/agave_tubulata.htm

The Agave Page
- Images and descriptions of several species from the southwestern US.
- http://www.succulent-plant.com/agave.html

The Agave Pages
- Information and many images by Jan Kolendo.
- http://www.users.globalnet.co.uk/~jankol/

Agave salmiana
- image
- http://www.dipbot.unict.it/orto/0019-1.html

Agave ferox
- image
- http://www.dipbot.unict.it/orto/0197-1.html

Agave echinoides
- Image of this species.
- http://www.dipbot.unict.it/orto/0017-1.html