Meet Dr. Eric Schuettpelz, a botanist who studies ferns and fern biodiversity at the Smithsonian's National Museum of Natural History. During this webcast, which originally aired on April 19, 2018, ...

It’s a fern, of course. This one is quite common in the Southeast, stretching north into the Ohio River Valley and New England and west to eastern Texas. Southern grape-fern, Sceptridium biternatum, ...

"The second printing of this book has permitted a few emendations in the keys and correction of some typographical errors, incorrect references, and incorrect names, notably Polystichum lachenense for ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Imagine a photograph of your great-grandparents, grandparents and parents ...