More than 500 native plants in San Diego County are held in a Native Seed Bank at the zoo. Those seeds are dried down to a ...

Over a third of threatened or understudied oak tree species in Mesoamerica are not held in managed botanical collections anywhere in the world, and for many species, protection of their native ...

All oaks belong to the beech tree family but do not look like a beech tree. About 70 oak species grow to tree size in North America. Red Oak Tree Group . Anlace/Wikimedia Commons.

Discover why the mighty Oak Tree was officially designated as the National Tree of the U.S. in 2004, symbolizing strength, ...

Oak Origins: From Acorns to Species and the Tree of Life by Andrew L. Hipp. Illustrated by Rachel D. Davis. University of Chicago Press, 2024 ($35) In many parts of the world, if you take a walk ...

Oak trees support 897 caterpillar species in the United States. At Mr. Tallamy’s 10-acre property in southeastern Pennsylvania, ...

Courtesy of David Arboretum and Public Garden. The miraculous discovery of one tree in the 880,000-acre national park has proven that the species is not extinct—yet.

WHAT: A missing oak species—the Quercus tardifolia—that was thought to be extinct, until nine botanical researchers scoured Big Bend in search of one last living tree.

Numerous oak species are native to or common in Pennsylvania, where they populate forests, grow as back-yard shade trees, and serve as arguably the best host plant for bird-feeding caterpillars.

LISLE, Ill. (Sept. 24, 2024)— Over a third of threatened or understudied oak tree species in Mesoamerica are not held in managed botanical collections anywhere in the world, and for many species ...