Columbia Rush, Sierra Rush
Juncus nevadensis var. nevadensis
Synonyms: Juncus badius, Juncus columbianus, Juncus dubius, Juncus mertensianus var. badius, Juncus mertensianus var. columbianus, Juncus mertensianus ssp. gracilis, Juncus nevadensis var. badius, Juncus nevadensis var. columbianus
The photo above shows a close-up of the inflorescence of Sierra rush as seen in wetlands along Kreps Lane where the road crosses the central canal in Conboy Lake NWR.........June 21, 2008. Note the 4 flower heads on the stem and the anthers which are about the same length as the filaments. Variety nevadensis typically has more than 5 flower heads per stem, although both varieties have now been lumped into var. nevadensis.
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The photo above shows a close-up of a congested spike of Sierra rush as seen in wetlands along Kreps Lane where the road crosses the central canal in Conboy Lake NWR..........June 21, 2008. Although not visible here, there are 6 stamens present in each flower.
Sierra rush blooming in the southern portion of the Kelly Unit, Conboy Lake National Wildlife Refuge............June 25, 2013.
Paul Slichter