Miscellaneous

Sign-eating tree
California-laurel (Umbellularia californica), Alameda Creek, California

Spoon-eating tree
Valley Oak (Quercus lobata), Alameda Creek, California

Tree-eating tree
Dead tree encased in a live bristlecone pine (Pinus longaeva), White Mountains, California

Large root crown
Giant Sequoia (Sequoiadendron giganteum), Sequoia National Park, California

Petrified wood stump
Black Rock Desert, Nevada

Slow tree growth
Rocky Mountain Juniper (Juniperus scopulorum), Yellowstone National Park, Wyoming

English walnut (Juglans regia) grafted onto Northern California walnut (Juglans hindsii)
Cottonwood, California

Chinese juniper (Juniperus chinensis) growing in the Imperial Garden of the Forbidden City
Beijing, China