| Scientific Name | Listera caurina Piper |
| Family | Orchidaceae |
| Common Names | northwestern twayblade |
| Eastern Washington | Native |
| Synonyms | |
| Conservation Status | |
| Notes |
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Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011 
Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011 
Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011 
Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011 
Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011 
Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011 
Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011 
Along Hwy 6 ca. 2 mi S of the Benewah Co. border just N of the Giant White Pine Campground; N 47.01095 W 116.67822; Latah Co., ID; 6/20/2012 
Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011 
Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011 
Ca. 0.11 mi E of FR 40 along FR 140 (Stentz Spgs); S of Pomeroy, WA; N 46.22748 W 117.57906; Garfield Co.; 7/18/2012
