| Scientific Name | Idahoa scapigera (Hook.) A. Nelson & J.F. Macbr. |
| Family | Brassicaceae |
| Common Names | scalepod, flatpod |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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Corner of Ritchey and Cameron Rds, W of Cheney, WA – Spokane Co. – 4/18/2009 
Corner of Ritchey and Cameron Rds, W of Cheney, WA – Spokane Co. – 4/16/2009 
Along Ritchey Rd 0.85 mi N of Hwy 904; W of Cheney, WA; N 47.46237 W 117.71489; Spokane Co.; 3/31/2014 
Corner of Ritchey and Cameron Rds, W of Cheney, WA – Spokane Co. – 3/14/2010 
Corner of Ritchey and Cameron Rds, W of Cheney, WA – Spokane Co. – 2/8/2010 
Along Ritchey Rd 0.85 mi N of Hwy 904; W of Cheney, WA; N 47.46237 W 117.71489; Spokane Co.; 3/31/2014 
Corner of Ritchey and Cameron Rds, W of Cheney, WA – Spokane Co. – 3/14/2010 
Corner of Ritchey and Cameron Rds, W of Cheney, WA – Spokane Co. – 3/14/2010 
Corner of Ritchey and Cameron Rds, W of Cheney, WA – Spokane Co. – 3/14/2010 
Corner of Ritchey and Cameron Rds, W of Cheney, WA – Spokane Co. – 4/16/2009 
Along Ritchey Rd 0.85 mi N of Hwy 904; W of Cheney, WA; N 47.46237 W 117.71489; Spokane Co.; 3/31/2014 
Along Ritchey Rd 0.85 mi N of Hwy 904; W of Cheney, WA; N 47.46237 W 117.71489; Spokane Co.; 3/31/2014 
NE corner of W. Cameron and S. Ritchey Rds; ca. 6 air mi W of Cheney, WA; N 47.46421 W 117.71444; Spokane Co.; 4/29/2020