Native range, climate, associated forest cover, and detailed facts on reproduction and growth. Discusses human and wildlife uses.

Species account from the USDA Forest Service (misspelled as C. illinoensis on this site).

Images, plant synonyms, distribution map, and scientific classification. Includes conservation status.

Describes physical characteristics and provides photos of mature tree, leaves, fruit, flower, twig, and bark.

Images of entire tree, bark, twig, leaves, flower, and fruit.

Includes information and images of many cultivars, as well as species accounts for pecans and all other U.S. hickories.