Hawaii’s Ferns and Fern Allies is the first in-depth study of Hawaiʻi’s ferns to be published in over a century. The book examines endemic, indigenous, and naturalized ferns and fern allies—including rare and endangered species—and provides dichotomous keys, basionyms and synonyms, detailed technical descriptions, distribution data, a glossary, and statistical summaries. Unresolved taxonomic questions are thoughtfully addressed, with recommendations offered to guide future research. The author also weaves in material from Hawaiian folklore and mythology, documents traditional Native Hawaiian uses of ferns, and updates Hawaiian common names.

Illustrated with more than 100 detailed line drawings, the volume depicts all 222 species, varieties, and forms, as well as select hybrids. The work is grounded in extensive field research, comprehensive study of herbarium collections from around the world, and collaboration with pteridologists, local ecologists, and collectors. Together, this scholarship provides a critical scientific foundation for renewed global interest in Hawaiʻi’s ferns and fern allies, as well as for meaningful conservation efforts. Thoroughly researched yet highly accessible, the book is poised to be embraced by amateur naturalists, fern enthusiasts, and professional botanists alike.

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by Daniel D. Palmer

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336 pages | paperback

University of Hawaiʻi Press