The Fern Allies of North America North of Mexico is a comprehensive guidebook written by Willard Nelson Clute in 1905. The book provides an in-depth study of fern allies found in North America, including their taxonomy, morphology, distribution, and habitat. The author has covered a wide range of species of fern allies, including clubmosses, quillworts, and spikemosses. The book is divided into several chapters, each discussing a specific aspect of...