Two arborists’ uncommon hobby takes them deep into the North Carolina woods to look for the state’s leafy giants.

Question: We noticed a difference in the oak trees. Which one greens up first with the glossy leaves and which one produces all the fluffy stuff? Answer: Most years there it is a matter of weeks ...

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, ...

SAN DIEGO — The San Diego Zoo Wildlife Alliance reached a historical milestone after adding an endangered plant species to its Frozen Zoo, a collection of cryopreserved living wildlife material in the ...