Botanists still struggle to unravel the full evolutionary history of ferns, hardy plants of staggering reproductive and colonization power. With billions of lightweight spores produced by each individual and the vasculature to transport nutrients throughout the plant, ferns are found in low-light and bright-light environments from the arctic regions to the tropics.

"Updated for the first time in decades, this unparalleled reference work is the most comprehensive and authoritative guide to the mushrooms of North America, reflecting the impact of climate change and the advancements in DNA sequencing that have radically altered the classification process-from the creators of the world's most trusted field guides, a go-to source for millions of nature lovers. This volume is the result of a collaboration among leading...