| Scientific Name | Castilleja thompsonii Pennell |
| Family | Orobanchaceae |
| Common Names | Thompson’s paintbrush |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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M.P. 4 on Hwy 155 N of Coulee City; 47 41.631N 119 16.082W – Grant Co., WA – 4/23/2010 
M.P. 4 on Hwy 155 N of Coulee City; 47 41.631N 119 16.082W – Grant Co., WA – 4/23/2010 
M.P. 4 on Hwy 155 N of Coulee City; 47 41.631N 119 16.082W – Grant Co., WA – 4/23/2010 
M.P. 4 on Hwy 155 N of Coulee City; 47 41.631N 119 16.082W – Grant Co., WA – 4/23/2010 
M.P. 4 on Hwy 155 N of Coulee City; 47 41.631N 119 16.082W – Grant Co., WA – 4/23/2010 
Summit of Mt Spokane – Spokane Co., WA – 7/17/2010 
Summit of Mt Spokane – Spokane Co., WA – 7/17/2010 
N.E of Ellensburg, WA; 6.8 mi NE of jct with Gage rd along Colockum pass rd.; N 47.14826 W 120.32478; Kittitas Co.; 6/20/2013 
N.E of Ellensburg, WA; 6.8 mi NE of jct with Gage rd along Colockum pass rd.; N 47.14826 W 120.32478; Kittitas Co.; 6/20/2013 
N.E of Ellensburg, WA; 6.8 mi NE of jct with Gage rd along Colockum pass rd.; N 47.14826 W 120.32478; Kittitas Co.; 6/20/2013 
N.E of Ellensburg, WA; 6.8 mi NE of jct with Gage rd along Colockum pass rd.; N 47.14826 W 120.32478; Kittitas Co.; 6/20/2013 
N.E of Ellensburg, WA; 6.8 mi NE of jct with Gage rd along Colockum pass rd.; N 47.14826 W 120.32478; Kittitas Co.; 6/20/2013 
N.E of Ellensburg, WA; 6.8 mi NE of jct with Gage rd along Colockum pass rd.; N 47.14826 W 120.32478; Kittitas Co.; 6/20/2013 
N.E of Ellensburg, WA; 6.8 mi NE of jct with Gage rd along Colockum pass rd.; N 47.14826 W 120.32478; Kittitas Co.; 6/20/2013