All Species in Juglans
- Andean Walnut (Juglans neotropica)
- Arizona Walnut (Juglans major)
- Black Walnut (Juglans nigra)
- Bolivian Walnut (Juglans boliviana)
- Buart (Juglans × bixbyi)
- Butternut (Juglans cinerea)
- English Walnut (Juglans regia)
- hybrid walnut (Juglans ×intermedia)
- hybrid walnut (Juglans × intermedia)
- Japanese Walnut (Juglans mandshurica var. sachalinensis)
- Juglans australis (Juglans australis)
- Juglans hirsuta (Juglans hirsuta)
- Juglans hispanica (Juglans hispanica)
- Juglans hopeiensis (Juglans hopeiensis)
- Juglans major f. stellata (Juglans major f. stellata)
- Juglans major var. glabrata (Juglans major var. glabrata)
- Juglans major var. major (Juglans major var. major)
- Juglans mandshurica nothovar. avellana (Juglans mandshurica nothovar. avellana)
- Juglans mandshurica var. cordiformis (Juglans mandshurica var. cordiformis)
- Juglans mandshurica var. mandshurica (Juglans mandshurica var. mandshurica)
- Juglans microcarpa var. microcarpa (Juglans microcarpa var. microcarpa)
- Juglans microcarpa var. stewartii (Juglans microcarpa var. stewartii)
- Juglans mollis (Juglans mollis)
- Juglans pyriformis (Juglans pyriformis)
- Juglans sigillata (Juglans sigillata)
- Juglans soratensis (Juglans soratensis)
- Juglans steyermarkii (Juglans steyermarkii)
- Juglans venezuelensis (Juglans venezuelensis)
- Little Walnut (Juglans microcarpa)
- Manchurian Walnut (Juglans mandshurica)
- Northern California Walnut (Juglans hindsii)
- Southern California Walnut (Juglans californica)
- West Indian Walnut (Juglans jamaicensis)