Ambrosia acanthicarpa September 3, 2020December 24, 2019 by rcarr Scientific NameAmbrosia acanthicarpa Hook.FamilyAsteraceaeCommon Namesbur ragweed, annual bursage, flat spine bur-ragweedEastern WashingtonNativeConservation StatusNotes Click on any image to enlarge it. Ca. 14 miles W of Roosevelt along Hwy 14. – Klickitat Co., WA – 9/27/2009Ca. 14 miles W of Roosevelt along Hwy 14. – Klickitat Co., WA – 9/27/2009Ca. 14 miles W of Roosevelt along Hwy 14. – Klickitat Co., WA – 9/27/2009Ca. 14 miles W of Roosevelt along Hwy 14. – Klickitat Co., WA – 9/27/2009Ca. 14 miles W of Roosevelt along Hwy 14. – Klickitat Co., WA – 9/27/2009Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07964 W 119.33407; Grant Co.; 8/17/2012Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07964 W 119.33407; Grant Co.; 8/17/2012Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07964 W 119.33407; Grant Co.; 8/17/2012Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07964 W 119.33407; Grant Co.; 8/17/2012Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07964 W 119.33407; Grant Co.; 8/17/2012Along SaAlong Whelan Rd in Whelan Cemetary; 4.57 air mi NE of Pullman, WA; N 46.77895 W 117.11771; Whitman Co.; 8/23/2020nd Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07964 W 119.33407; Grant Co.; 8/17/2012Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07964 W 119.33407; Grant Co.; 8/17/20122.65 air mi SSE of Asotin, WA along Snake River Road; N 46.30838 W 117.01514; Asotin Co.; 8/23/20202.65 air mi SSE of Asotin, WA along Snake River Road; N 46.30838 W 117.01514; Asotin Co.; 8/23/20202.65 air mi SSE of Asotin, WA along Snake River Road; N 46.30838 W 117.01514; Asotin Co.; 8/23/20202.65 air mi SSE of Asotin, WA along Snake River Road; N 46.30838 W 117.01514; Asotin Co.; 8/23/20202.65 air mi SSE of Asotin, WA along Snake River Road; N 46.30838 W 117.01514; Asotin Co.; 8/23/20202.65 air mi SSE of Asotin, WA along Snake River Road; N 46.30838 W 117.01514; Asotin Co.; 8/23/20202.65 air mi SSE of Asotin, WA along Snake River Road; N 46.30838 W 117.01514; Asotin Co.; 8/23/20202.65 air mi SSE of Asotin, WA along Snake River Road; N 46.30838 W 117.01514; Asotin Co.; 8/23/20202.65 air mi SSE of Asotin, WA along Snake River Road; N 46.30838 W 117.01514; Asotin Co.; 8/23/2020