| Scientific Name | Sonchus oleraceus L. |
| Family | Asteraceae |
| Common Names | common sow-thistle |
| Eastern Washington | European |
| Synonyms | None |
| Conservation Status | |
| Notes |
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W. of Cheney off Baker rd just east of Ritchey rd. – Spokane Co., WA; N 47.47871 W 117.71442 – Spokane Co. – 7/26/2009 
W. of Cheney off Baker rd just east of Ritchey rd. – Spokane Co., WA; N 47.47871 W 117.71442 – Spokane Co. – 7/26/2009 
W. of Cheney off Baker rd just east of Ritchey rd. – Spokane Co., WA; N 47.47871 W 117.71442 – Spokane Co. – 7/26/2009 
Ca. 11.2 mi W of Othello, WA along Hwy 26; N 46.83381 W 119.40130 – Grant Co. – 9/17/2011 
W. of Cheney off Baker rd just east of Ritchey rd. – Spokane Co., WA; N 47.47871 W 117.71442 – Spokane Co. – 7/26/2009 
W. of Cheney off Baker rd just east of Ritchey rd. – Spokane Co., WA; N 47.47871 W 117.71442 – Spokane Co. – 7/26/2009 
Ca. 11.2 mi W of Othello, WA along Hwy 26; N 46.83381 W 119.40130 – Grant Co. – 9/17/2011 Ca. 11.2 mi W of Othello, WA along Hwy 26; N 46.83381 W 119.40130 – Grant Co. – 9/17/2011 Ca. 11.2 mi W of Othello, WA along Hwy 26; N 46.83381 W 119.40130 – Grant Co. – 9/17/2011 
Ca. 11.2 mi W of Othello, WA along Hwy 26; N 46.83381 W 119.40130 – Grant Co. – 9/17/2011 
Ca. 11.2 mi W of Othello, WA along Hwy 26; N 46.83381 W 119.40130 – Grant Co. – 9/17/2011
