Cereus thurberi
- Information about the Organ Pipe Cactus, sometimes classified as Stenocereus thurberi, its description, range and habitat, with photographs.
- http://www.desertusa.com/aug96/du_organpipe.html

Cereus greggii
- Description, photograph, range, habitat and scientific names of the Night-Blooming Cereus Cactus, one of the strangest desert plants.
- http://www.desertusa.com/mag99/july/papr/nbcereus.html

Cereus peruvianus
- Photos of small ornamental specimens.
- http://leda.lycaeum.org/Taxonomy/Cereus_peruvianus.14676.shtml

Cereus jamacaru
- image
- http://www.dipbot.unict.it/orto/0105-1.html