Contains information on the Botanical Garden to the south of campus. It includes plant lists, surveys of the plants in the garden, and other related materials.

Contains grade books for bacteriology and botany classes.

Contains research and teaching materials, comprised mainly of Hayward's field notes and personal research. It also contains Hayward's personal correspondence.

Sub-series contains memorandums, correspondence and reports concerning operations of colleges and departments on campus. Dated 1937 to 1958.

Contains slides and photographs by Thorne documenting her work as a plant curator and botanist at Brigham Young University. Includes images of plants in Utah and the West, and of the Bean Museum, as well as from field trips to Los Alamos, New Mexico, Costa Rica, Kauai, and other unidentified locations. Materials dated approximately 1965-1993.