FLORA OF EASTERN WASHINGTON AND ADJACENT IDAHO

Poaceae

Anthoxanthum odoratum

Taxonomy: Anthoxanthum, Poaceae Category:

Binomial NameAnthoxanthum odoratum L.
FamilyPoaceae
Common Namessweet vernalgrass
Eastern WashingtonSouthern Europe – Intro

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  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021
  • 39.5 air mi NE of Orofino, ID; along NF Rd 700 ca. 1.1 mi NW of Jct with Hwy 247; N 46.85323W 115.63114; Clearwater Co.; 6/25/2021

Spartina pectinata

Taxonomy: Poaceae, Spartina Category:

Binomial NameSpartina pectinata Link
FamilyPoaceae
Common Namesfreshwater cordgrass, prairie cordgrass
Eastern WashingtonNative
Conservation StatusState of Washington Rank: S2 Imperiled; Global G5
NotesLocation removed

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  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020
  • Pend Oreille Co.; 9/8/2020

Echinochloa muricata var. microstachya

Taxonomy: Echinochloa, Poaceae Category:

Binomial NameEchinochloa muricata (P. Beauv.) Fernald var. microstachya Wiegand
FamilyPoaceae
Common NamesAmerican barnyard grass, or watergrass
Eastern WashingtonNative
Conservation Status
Notes<enter here>

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  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020
  • Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020

Sporobolus vaginiflorus

Taxonomy: Poaceae, Sporobolus Category:

Binomial NameSporobolus vaginiflorus (Torr. ex A. Gray) Alph.
Wood var. vaginiflorus
FamilyPoaceae
Common Namespoverty dropseed
Eastern WashingtonIntroduction from E. North America
Conservation Status
Notes

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  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020
  • Along the E side of Gray rd, 100 yds S of its intersection with Deer Valley Rd; 3.84 air mi SSW of Newport, WA; N 48.15690 W 117.11895; Pend Oreille Co.; 9/8/2020

Tripidium ravennae

Taxonomy: Poaceae, Tripidium Category:

Binomial NameTripidium ravennae (L.) H. Scholz
FamilyPoaceae
Common Namesravennagrass
Eastern WashingtonIntroduced; North Africa, Asia, Europe
Conservation Status
NotesWashington State Class B Noxious weed

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  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020
  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020
  • 2.55 air mi SSE of Asotin, WA along Snake River Road; N 46.30935 W 117.01657; Asotin Co.; 8/23/2020
  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020
  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020
  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020
  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020
  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020
  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020
  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020
  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020
  • 1.36 air mi NNW of Asotin along the Clarkston-Asotin, WA Hwy; N 46.35535 W 117.06423; Asotin Co.; 8/23/2020

Eragrostis minor

Taxonomy: Eragrostis, Poaceae Category:

Binomial NameEragrostis minor Host
FamilyPoaceae
Common Nameslittle lovegrass
Eastern WashingtonEuropean
Conservation Status
Notes

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  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020
  • Parking lot at the corner of G St and Hwy 904, Cheney, WA; N 47.48617 W 117.57710; Spokane Co.; 8/3/2020

Trisetum spicatum

Taxonomy: Poaceae, Trisetum Category:

Binomial NameTrisetum spicatum (L.) K. Richt.
FamilyPoaceae
Common Namesnarrow false oat, spike trisetum
Eastern WashingtonNative
Conservation Status
Notes

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  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020
  • Along trail W of small pond on the N side of Sherman Peak; 19.6 air mi W of Kettle Falls, WA; N 48.60248 W 118.48225; Ferry Co.; 7/14/2020

Podagrostis thurberiana

Taxonomy: Poaceae, Podagrostis Category:

Binomial NamePodagrostis thurberiana (Hitchc.) Hultén
FamilyPoaceae
Common NamesThurber’s bent
Eastern WashingtonNative
Conservation Status
NotesDifficult to separate from Podagrostis humilis

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  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020
  • N central edge of Lost Lake 8.83 air mi N of Wauconda, WA; N 48.85132 W 119.05314; Okanogan Co.; 7/9/2020

Schedonorus arundinaceus

Taxonomy: Poaceae, Schedonorus Category:

Binomial NameSchedonorus arundinaceus (Schreb.) Dumort.
FamilyPoaceae
Common Namestall fescue
Eastern WashingtonEurasian
Conservation Status
Notes

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  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/7/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/28/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/28/2020
  • Just N of the E side of the Hwy 2 bridge E of Newport, WA; N 48.18625 W 117.03255; Bonner Co., ID; 6/28/2020

Elymus elymoides ssp. brevifolius

Taxonomy: Elymus, Poaceae Category:

Binomial NameElymus elymoides (Raf.) Swezey ssp. brevifolius (J.G. Sm.) Barkworth
FamilyPoaceae
Common Nameslongleaf squirreltail
Eastern WashingtonNative
Conservation Status
Notes

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  • Ca. 0.3 mi N of Hwy 904 on Ritchey Rd, ca 6 mi W of Cheney, WA; N 47.45444 W 117.71496; Spokane Co.; 6/16/2012s
  • Ca. 0.3 mi N of Hwy 904 on Ritchey Rd, ca 6 mi W of Cheney, WA; N 47.45444 W 117.71496; Spokane Co.; 6/16/2012
  • Ca. 0.3 mi N of Hwy 904 on Ritchey Rd, ca 6 mi W of Cheney, WA; N 47.45444 W 117.71496; Spokane Co.; 6/16/2012
  • Ca. 0.3 mi N of Hwy 904 on Ritchey Rd, ca 6 mi W of Cheney, WA; N 47.45444 W 117.71496; Spokane Co.; 6/16/2012
  •  
    Along Ritchey Rd cal 0.3 mi N of Hwy 904; W of Cheney, WA; N 47.45408 W 117.71493; Spokane Co.; 7/9/2013
  •  
    Along Ritchey Rd cal 0.3 mi N of Hwy 904; W of Cheney, WA; N 47.45408 W 117.71493; Spokane Co.; 7/9/2013
  • Ca. 0.3 mi N of Hwy 904 on Ritchey Rd, ca 6 mi W of Cheney, WA; N 47.45444 W 117.71496; Spokane Co.; 6/16/2012
  • Ca. 0.3 mi N of Hwy 904 on Ritchey Rd, ca 6 mi W of Cheney, WA; N 47.45444 W 117.71496; Spokane Co.; 6/16/2012
  • Ca. 0.3 mi N of Hwy 904 on Ritchey Rd, ca 6 mi W of Cheney, WA; N 47.45444 W 117.71496; Spokane Co.; 6/16/2012