Label
Ferns -- United States
Incoming Resources
- Our native ferns and their allies, with Synoptical Descriptions of the American Pteridophyta North of Mexico, by Lucien M. Underwood, Ph.D., Professor of Biology in Syracuse University
- Our native ferns and their allies, with synoptical descriptions of the American pteridophyta north of Mexico, by Lucien Marcus Underwood
- How to know the ferns, a guide to the names, haunts, and habits of our common ferns, by Frances Theodora Parsons ; illustrated by Marion Satterlee and Alice Josephine Smith
- Our ferns in their haunts, a guide to all the native species, by Willard Nelson Clute ; illustrated by William Walworth Stilson