Carl Christensen Books
First published in 1913, this classic work on ferns is a must-have for any budding botanist or naturalist. Focused specifically on the group of fern species known as Dryopteris opposita, this book provides detailed descriptions and illustrations of each species, as well as notes on their distribution, ecology, and cultivation. With a comprehensive glossary of botanical terms and an index of scientific names, this book is an indispensable reference for anyone interested in the study of ferns.