Synonyms: Eleocharis acicularis var. acicularis, Eleocharis acicularis var. gracilescens, Eleocharis acicularis var. occidentalis, Eleocharis acicularis var. porcata, Eleocharis acicularis var. submersa, Scirpus acicularis
Close-up of the inflorescence of needle spikerush as seen at water's edge along the Deschutes River about one-half mile upstream with the junction with the Columbia River.......July 27, 2011.
Needle spikerush as seen near the water's edge along the Klickitat River slightly upstream and on the opposite bank from the old Soda Springs campground, Klickitat State Wildlife Recreation Area........July 21, 2011.
Needle spikerush blooming amongst liverworts on sandy soils next to a small creek in Summit Prairie, Malheur National Forest........August 20, 2011.
A thick mat of needle spikerush as seen along the Columbia River Shore at the east side of the Sandy River Delta, Troutdale, Oregon.......September 8, 2012.