Petasites frigidus (L.) Fr.
Asteraceae
| Collection Number | Davidson, C 12117 |
| Collectors | C. Davidson, S. Christoph |
| Identified By | C. Davidson, April, 2013 |
| Source | C. Davidson |
| Date | 15 April 2013 |
| Country | USA |
| state | California |
| county | Humboldt |
| Location | Highway 299, ca. 20 miles east of Highway 101 junction. 485 m elev. |
| Lat/Long | N 40 55 04.2 W 123 49 59.8 |