| Scientific Name | Cardamine oligosperma Nutt. |
| Family | Brassicaceae |
| Common Names | little western bittercress, few-seeded bittercress |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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Hi 20 Tiger to Colville Rd; 48 40 435N 117 27 994W – Stevens Co., WA – 6/5/2009 
Hi 20 Tiger to Colville Rd; 48 40 435N 117 27 994W – Stevens Co., WA – 6/5/2009 
S. E. edge of Devils Lake in Lincoln City, OR – Lincoln Co. – 4/27/2010 
Hi 20 Tiger to Colville Rd; 48 40 435N 117 27 994W – Stevens Co., WA – 6/5/2009 
Hi 20 Tiger to Colville Rd; 48 40 435N 117 27 994W – Stevens Co., WA – 6/5/2009 
S. E. edge of Devils Lake in Lincoln City, OR – Lincoln Co. – 4/27/2010 
S. E. edge of Devils Lake in Lincoln City, OR – Lincoln Co. – 4/27/2010 
2.2 air mi ENE of Stevenson, WA along Hwy 14;N 45.70968 W 121.84230; Skamania Co.; 3/20/2015 
2.2 air mi ENE of Stevenson, WA along Hwy 14;N 45.70968 W 121.84230; Skamania Co.; 3/20/2015 
2.2 air mi ENE of Stevenson, WA along Hwy 14;N 45.70968 W 121.84230; Skamania Co.; 3/20/2015 
2.2 air mi ENE of Stevenson, WA along Hwy 14;N 45.70968 W 121.84230; Skamania Co.; 3/20/2015 
2.2 air mi ENE of Stevenson, WA along Hwy 14;N 45.70968 W 121.84230; Skamania Co.; 3/20/2015 
2.2 air mi ENE of Stevenson, WA along Hwy 14;N 45.70968 W 121.84230; Skamania Co.; 3/20/2015 
2.2 air mi ENE of Stevenson, WA along Hwy 14;N 45.70968 W 121.84230; Skamania Co.; 3/20/2015