| Scientific Name | Centaurea solstitialis L. |
| Family | Asteraceae |
| Common Names | yellow star-thistle, St. Barnaby’s thistle |
| Eastern Washington | Introduced |
| Synonyms | None |
| Conservation Status | |
| Notes | Washington State class B noxious weed |
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Along Hwy 14 at MP 228 – Klickitat Co., WA – 8/26/2009 
Along Hwy 14 at MP 228 – Klickitat Co., WA – 8/26/2009 
Along Hwy 14 at MP 228 – Klickitat Co., WA – 8/26/2009 
Along Springdale-Hunters rd; 5.12 air mi E of Hunters, WA; N 48.12501 W 118.09200; Stevens Co.; 9/8/2019 
Along Springdale-Hunters rd; 5.12 air mi E of Hunters, WA; N 48.12501 W 118.09200; Stevens Co.; 9/8/2019 
Along Springdale-Hunters rd; 5.12 air mi E of Hunters, WA; N 48.12501 W 118.09200; Stevens Co.; 9/8/2019 
Along Springdale-Hunters rd; 5.12 air mi E of Hunters, WA; N 48.12501 W 118.09200; Stevens Co.; 9/8/2019 
Along Springdale-Hunters rd; 5.12 air mi E of Hunters, WA; N 48.12501 W 118.09200; Stevens Co.; 9/8/2019 
Along Springdale-Hunters rd; 5.12 air mi E of Hunters, WA; N 48.12501 W 118.09200; Stevens Co.; 9/8/2019 
Along Springdale-Hunters rd; 5.12 air mi E of Hunters, WA; N 48.12501 W 118.09200; Stevens Co.; 9/8/2019 
Along Springdale-Hunters rd; 5.12 air mi E of Hunters, WA; N 48.12501 W 118.09200; Stevens Co.; 9/8/2019 
Along Springdale-Hunters rd; 5.12 air mi E of Hunters, WA; N 48.12501 W 118.09200; Stevens Co.; 9/8/2019
