Eastern Mojave Vegetation Coll. No. 3390 Rhus trilobata var. trilobata.  
 

 

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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. 		  Anacardiaceae, Rhus trilobata trilobata
Photographed 7 December 2025.

Plants of Jefferson County Open Space
Jefferson County, Colorado
Anacardiaceae

Rhus trilobata Nutt. var. trilobata.  Skunkbush Sumac.

Tin Cup Ridge, Jefferson County, Colorado. Mid-slope east side of Tin Cup Ridge, the northward extension of Dinosaur Ridge into Golden, 5.14 km. south southwest of the GNIS location of Golden. 39.71135°N, 105.20334°W. WGS 1984 Elev. 1905 m. In bloom, leaves juvenile. Coordinates estimated from numerically adjacent collections.

Collected by permit: Jefferson County Open Space, 2025, issued: May 1, 2025, to: Tom Schweich.

Tom Schweich 3390. 21-May-2025

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Other photos about Species or Anacardiaceae Rhus trilobata trilobata.

 

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Date and time this page was prepared: 4/4/2026 8:04:19 PM