three-rayed tarweed
Family:Asteraceae
| Location | Pop ID | Last Recorded | Notes |
|---|---|---|---|
| Altamont Pass | 6 | 2011-08-30 | |
| Black Diamond Rgnl Preserve | 12 | 2003-07-06 | |
| Brushy Peak - EBRPD | 4 | 2022-11-05 | |
| Concord Naval Weapons Station | 11 | 2008-12-31 | |
| Franklin Ridge | 14 | 2022-09-24 | |
| Franklin Ridge | 17 | 2016-08-20 | |
| Hayward Regional Shoreline, or nearby | 15 | 2008-10-23 | |
| Lime Ridge area | 10 | 2004-05-29 | |
| Livermore - other or unknown sites | 7 | 2002-09-15 | |
| Livermore - other or unknown sites | 8 | 2002-12-31 | |
| Livermore - other or unknown sites | 19 | 2024-05-15 | |
| Livermore Valley | 16 | 2021-09-24 | |
| Springtown Wetlands Preserve | 1 | 2021-06-28 | |
| Tesla, Corral Hollow | 9 | 2016-05-24 | |
| Bethany Reservoir - S of Byron | 5 | 1984-10-27 | Historic |
| Bethany Reservoir - S of Byron | 18 | 1984-10-30 | Historic |
| Garaventa Wetlands Preserve | 2 | 1999-12-31 | Historic |
| Pittsburg Hills | 13 | 1997-09-02 | Historic |
| Vasco Hills | 3 | 1940-11-30 | Historic |