The Usneas of the world, 1752-1912
Subtitle: With citations, type localities, original descriptions, and keys : Part I : North America
By: By R. Heber Howe, Jr., assisted by J. P. Warburg and C. P. Winsor
Contributors: Warburg, J. P.; Winsor, C. P.
Published: 1913
Language: eng
Number of pages: 25
Notes: Proceedings of the Thoreau Museum of Natural History, v. 1, p. 15-25, May 1913.