| Scientific Name | Perideridia gairdneri (Hook. & Arn.) Mathias |
| Family | Apiaceae |
| Common Names | Gairdner’s yampah |
| Eastern Washington | Native |
| Synonyms | |
| Conservation Status | |
| Notes |
Click on any image to enlarge it.
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 
Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co., WA; 7/31/2013 
Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co., WA; 7/31/2013 
Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co., WA; 7/31/2013 
Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co., WA; 7/31/2013
Perideridia montana
| Scientific Name | Perideridia montana (Blank.) Dorn |
| Family | Apiaceae |
| Common Names | Gairdner’s yampah |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
Click on any image to enlarge it.
W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 W of Cheney, WA along Ritchey Rd ca. 0.3 mi N of Hwy 904; N 47.45443 W 117.71507- Spokane Co. – 7/23/2010 Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co., WA; 7/31/2013 Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co., WA; 7/31/2013 Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co., WA; 7/31/2013 Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co., WA; 7/31/2013