| Scientific Name | Castilleja attenuata (A. Gray) Chuang & Heckard |
| Family | Orobanchaceae |
| Common Names | valley-tassels, attenuate paintbrush |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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Horsethief Lake State Park near petroglyths near railroad tracks; W of Wishram, WA; N 45.64121 W 121.10484 – Klickitat Co. – 5/20/2011 
Horsethief Lake State Park near petroglyths near railroad tracks; W of Wishram, WA; N 45.64121 W 121.10484 – Klickitat Co. – 5/20/2011 
Horsethief Lake State Park near petroglyths near railroad tracks; W of Wishram, WA; N 45.64121 W 121.10484 – Klickitat Co. – 5/20/2011 
Horsethief Lake State Park near petroglyths near railroad tracks; W of Wishram, WA; N 45.64121 W 121.10484 – Klickitat Co. – 5/20/2011 
Horsethief Lake State Park near petroglyths near railroad tracks; W of Wishram, WA; N 45.64121 W 121.10484 – Klickitat Co. – 5/20/2011 
Horsethief Lake State Park near petroglyths near railroad tracks; W of Wishram, WA; N 45.64121 W 121.10484 – Klickitat Co. – 5/20/2011 
Horsethief Lake State Park near petroglyths near railroad tracks; W of Wishram, WA; N 45.64121 W 121.10484 – Klickitat Co. – 5/20/2011 
Horsethief Lake State Park near petroglyths near railroad tracks; W of Wishram, WA; N 45.64121 W 121.10484 – Klickitat Co. – 5/20/2011 
Horsethief Lake State Park near petroglyths near railroad tracks; W of Wishram, WA; N 45.64121 W 121.10484 – Klickitat Co. – 5/20/2011 
Horsethief Lake State Park near petroglyths near railroad tracks; W of Wishram, WA; N 45.64121 W 121.10484 – Klickitat Co. – 5/20/2011 
2.5 air mi NE of Mosier, OR; ca. 175 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70896 W 121.36199; Klickitat Co.; 4/20/2018 
2.5 air mi NE of Mosier, OR; ca. 175 yds S of the Catherine Creek Trail parking lot off old Hwy 8.; N 45.70896 W 121.36199; Klickitat Co.; 4/20/2018