| Scientific Name | Lithospermum ruderale Dougl. Ex Lehm. |
| Family | Boraginaceae |
| Common Names | Columbian puccoon, western gromwell, western stoneseed, lemonweed |
| Eastern Washington | Native |
| Synonyms | None |
| Conservation Status | |
| Notes |
Click on any image to enlarge it.
Along Hwy 17 ca 2.5 mi S of its Jct with Hwy 2 – Grant Co., WA – 4/27/2003 
Along Hwy 17 ca 2.5 mi S of its Jct with Hwy 2 – Grant Co., WA – 4/27/2003 
Along Hwy 17 ca 2.5 mi S of its Jct with Hwy 2 – Grant Co., WA – 4/27/2003 
Along Hi 27 Just N of Valleyford rd – Benewah Co., ID – 7/2/2009 
Along Hwy 17 ca 2.5 mi S of its Jct with Hwy 2 – Grant Co., WA – 4/27/2003