Carya

• Carya aquatica
• Carya carolinae-septentrionalis

• About.com: Carya tomentosa (Poir.) Nutt.- Mockernut Hickory  - Provides description on the features of the plant. Includes range, life history, genetics, soils and topography.
• Carya cordiformis - Bitternut Hickory  - Provides information on the habitat, habit, foilage, flowers, fruits, culture and liabilities. Wih photos.
• eNature.com: Mockernut Hickory (Carya alba)  - Provides information on the distinguishing characteristics of the plant. Includes habitat, distribution ande photos.
• Floridata: Carya illinoinensis  - Provides information on the physical description on the member specie. Includes culture, uses and photos.
• Illinois State Museum: Pignut Hickory (Carya glabra)  - Contains data on tthe identifying features of the plant. Includes shape and distribution, uses and images.
• Kemper Center For Home Gardening: Carya illinoinensis  - Offers data on noteworhy characteristics, culture and uses. Wih photos.
• Northern Area State and Private Forestry: Carya ovata (Mill.) K. Koch - Shagbark Hickory  - Contains information on the distinguishing characteristics of the palnt. Includes life history, habitat, special uses, genetics and photos.
• Oklahoma Biological Survey: Carya illinoinensis (Wangenh.) K. Koch  - Contains information on the distinguishing features of the plant. Includes distribution, habit and photos.
• Vanderbilt University: Carya Fruits (hickory nuts)  - Contains information on the distinguishing characterisics of the plant. Includes seed features and photos.