Peter Belhumeur just wanted to know what type of tree was outside his apartment. He scanned field guides, looking for willowlike leaves with a wavy, spiked edge, but he couldn’t find the right one.

When you’re venturing in the woods or your own backyard vegetable garden, it’s likely that you’ll come across plants or flowers that you’re not aware of. While a traditional solution would be to get a ...

If you’ve ever wandered through your neighborhood or taken a walk in the woods and wondered about the majestic trees surrounding you, then it might be time to invest in a tree field guide. Tree field ...