Eastern Mojave Vegetation Coll. No. 3439.1, Juncus ensifolius.  
 

 

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If you have a question or a comment about this photograph you may write to me at: tomas@schweich.com I sometimes post interesting questions in my FAQ, but I never disclose your full name or address. 		  Juncaceae, Juncus ensifolius
Photographed 28 December 2025.

Plants of Colorado
East Slope of Tarryall Mountains, Jefferson County
Juncaceae

Juncus ensifolius Wikstr.  Sword-Leaf Rush.

North Twin Creek, Jefferson County, Colorado. On a right branch of North Twin Creek, about 900 m. upstream of the F. R. 211 crossing of North Twin Creek, 6.8 mi. west and south on F. R. 211 from its north end at County Road 126, 11.6 km. southwest of Deckers. 39.21448°N, 105.35142°W. WGS 1984 Elev. 2469 m. Leaf blades equitant. Bank of creek among aspen and river birch, with Mertensia ciliata, Dasiphora fruticosa, Platanthera aquilonis, and Carex stipata. Within the perimeter of the Hayman Fire (2002), though this area mapped as low intensity; vegetated only on the creek, forest not re-established away from creek.

Collected by permit: Pike San Isabel National Forest, 2025, issued: Mar 26, 2025, to: Tom Schweich.

Tom Schweich 3439.1 2-Jul-2025

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Date and time this page was prepared: 4/4/2026 8:04:36 PM