Habitats: temperate broadleaf/mixed forest (14), tropical/subtropical dry broadleaf forest (1)
Found in 17 samples
Argentina: Parque Sierra de San Javier (6 ha plot), Parque Biológico Sierra de San Javier (secondary forest, 1991), Parque Biológico Sierra de San Javier (old growth forest, 1991)
China: Mt. Shennongjia, Kajun Village (MK-3) (Late Eocene)
Hungary: Wind Brickyard (Late Oligocene)
India: Jahlmanal (agroforestry system)
Japan: Shiretoko National Park
Nepal: Amaldapani, Juphal
United States: Abner's Hollow, Lake Sara, Hill Forest State Natural Area, Rich Harvest Links, Botany Glen (Plot 1), Botany Glen (Plot 2), Botany Glen (Plot 3)
See also Juglans ailanthifolia, Juglans australis, Juglans mandshurica, Juglans nigra, Juglans regia, Juglans sp.