Artificial key to the more common genera and some species of California mosses, especially in the San Francisco Bay Area / by
- William C. Steere.
- Physical description
- 1 online resource (11 pages) : PDF.
Also available at
- Steere, William C., 1936- author.
- Reprint/reissue date
- Original date
- "Rewritten in the form of an indented key by John H. Thomas, fall, 1971."--Page 11.