Castilleja tenuis (A. Heller) T.I. Chuang & Heckard
Orobanchaceae
| Collection Number | C. Davidson 13606 |
| Collectors | C. Davidson, S. R. Christoph |
| Identified By | C. Davidson |
| Source | C. Davidson |
| Date | 07 June 2017 |
| Country | USA |
| state | California |
| county | Modoc |
| Location | On Hwy 299 to Cedarville. Ca. 5.6 km east of junction with Hwy 395 north (N of Alturas). Elev. 1515 m. |
| Lat/Long | N 41 33 46.8 W 120 24 00.8 |
| Note | By a small stock watering pond lined with Typha. Artemisia steppe/juniper woodland. |