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, ...
"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 ...
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