* Walnut ( Juglans ) is typically dark, hard, tight-grained wood prized for fine furniture and wood paneling.

The California Black Walnut ( Juglans californica ), endemic to California, grows on the northern side of the mountains in the Valley and Griffith Park.

The predominant native tress are Coast Live Oak ( Quercus agrifolia ), California Black Walnut ( Juglans californica ), and California Sycamore ( Platanus racemosa ).

The suburban flora includes Japanese Yew ( Taxus cuspidata ), Amur Velvet, Manchurian Walnut ( Juglans mandschurica ), Ermann's Birch ( Betula ermannii ), Eleutherococcus, Lotus ( Nelumbo nucifera, a rare and very beautiful water-plant that can be found in several small lakes twelve kilometers from Arsenyev ).

Tree species for which the forest is important include bigcone Douglas-fir ( Pseudotsuga macrocarpa ), Coulter Pine ( Pinus coulteri ), and California Walnut ( Juglans californica ).

), Common Walnut ( Juglans regia ), maple ( Acer spp.

Juglans cinerea, commonly known as Butternut or White Walnut, is a species of walnut native to the eastern United States and southeast Canada.

* Juglans – Walnut

Among the trees are American Sycamore ( Platanus occidentalis ), Bald Cypress ( Taxodium distichum ), Black Walnut ( Juglans nigra ), Pecan ( Carya illinoinensis ), Green Ash ( Fraxinus pennsylvanica ), Black Willow ( Salix nigra ), Chinkapin Oak ( Quercus muehlenbergii ), Lacey Oak ( Quercus laceyi ), Texas Red Oak ( Quercus buckleyi ), Juniper, Florida Basswood ( Tilia caroliniana ) and Bigtooth Maple ( Acer grandidentatum ) ( the latter of which was discovered far removed from any maple forest, and thus gave the area the name " lost maples ").

* Juglans, Walnut

Juglans californica | California Black Walnut ( Juglans californica ) tree, planted circa 1860s.

To the west of the main house is a large California Black Walnut ( Juglans californica ) tree that was most likely planted by Juventino del Valle in the 1860s.