Ref ID | Type | Author | Date | Title |
12120
| Journal Article | Banta, B.H., and D. Morafka | 1966 | An annotated check list of the recent amphibians and reptiles inhabiting the city and county of San Francisco, California. |
12092
| Journal Article | Bryant, H.C. | 1917 | The leopard frog in California. |
12176
| Other | California Academy of Sciences. | 1998 | output from the California Academy of Sciences database provided by Jens Vindum, collection manager. |
12070
| Journal Article | Jennings, M.R. | 1984 | Geographic distribution. Rana muscosa. |
12105
| Book | McKeown, S. | 1996 | A Field Guide to Reptiles and Amphibians in the Hawaiian Islands. |
702
| Book | Stebbins, R.C. | 1966 | A Field Guide to Western Reptiles and Amphibians. |
12071
| Journal Article | Storer, T.I. | 1925 | A Synopsis of the amphibia of California. |
14257
| Web Page | U.S. Fish and Wildlife Service. | 2005 | National Wildlife Refuge System Invasive Species. |