Fritillaria atropurpurea Nutt.
Liliaceae
| Collection Number | Davidson, C 12131 |
| Collectors | C. Davidson, S. Christoph |
| Identified By | C. Davidson, April, 2013 |
| Source | C. Davidson |
| Date | 19 April 2013 |
| Country | USA |
| state | California |
| county | Nevada |
| Location | Highway 49 north of Nevada City, 1.3 miles south of the South Yuba River Bridge. Elev. 511 m. |
| Lat/Long | N 39 17 03.7 W 121 06 02.1 |
| Note | Oak-Libocedrus forest. |