Photograph of one leaf of an improved Burbank spineless Opuntia with thirty-two ripe fruits and no leaves.

Photograph of a large Organos cactus plant in Oaxaca, Mexico in the early 20th century. The image shows a group of people on donkeys and horses at the base of the plant in the desert.

Photograph of a saltbush paddock with a ridge of Murray pines in the background, Steam Plains in Denilquin, New South Wales, Australia in the late 19th or early 20th century.

Photograph of a termite or ant hill broken by an anteater or ant-bear with Karoo bushes in the background in the early 20th century.

Photograph of a desert with guayule shrubs and other plants.

Photograph of a page from the Breeder's Gazette from December 21, 1904. It shows the title and two images from the story, 'The Shepherd Boy of the Southwestern Desert - a Tale of Youthful Fidelity by Joseph E Wing.' One photograph shows a boy with a flock of sheep and the other shows a flock of sheep grazing amongst cacti in the Southwestern desert.

Photograph of young Burbank spineless Opuntia plants with their first crop of fruit.