Geological Survey of California
- Title: Geological Survey of California
- Abbreviation: Bot. California
- Authors: William Henry Brewer, Sereno Watson & Asa Gray
- Published: 2 vols., 1876, 1880. Vol. 1, May-Jun 1876; vol. 2, Jul-Dec 1880 (some pages were issued in 1879, as preprints)
- City: Cambridge, MA
Vol. 1, Polypetalae by W. H. Brewer and S. Watson; gamopetalae by A. Gray; vol. 2, S. Watson with contributions by Bebb, Englemann, W. Boott, G. Thurber, D. C. Eaton,; Bebb's contribution in vol. 2 (pp. 82-90) were available as a preprint on 10 Jul 1879; Engelmann's contribution (2: 93–99, 104-107) available as a preprint on 1 Oct 1879.
- Watson, S. 1880. Geological Survey of California, Botany, Vol. 2. John Wilson and son, Cambridge (Mass.) BHL Reference page.