If you were a Girl Scout or a Boy Scout, you probably heard the adage "leaves of three, let them be" to deter you from getting poison ivy rash. And, while it is true that a poison ivy leaf contains ...

Fossil plants reveal the evolution of green life on Earth, but the most abundant samples that are found -- fossil leaves -- are also the most challenging to identify. A large, open-access visual leaf ...

Q: How reliable are plant identification apps? A: I’ve tested several plant identification apps and have found them surprisingly, but not completely, accurate. You simply snap a photo of the plant in ...