Eastern Mojave Vegetation Coll. No. 2908, Ambrosia acanthicarpa.  
 

 

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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. 		  Asteraceae Ambrosia acanthicarpa
Photographed 22 December 2022.

Native and Naturalized Flora of the Golden Area, Jefferson County, Colorado
Asteraceae

Ambrosia acanthicarpa Hook.  Flat-Spine Burr-Ragweed.

Delong Park, Jefferson County, Colorado. In planted native grass beds, along 23rd Street, opposite Vernon Drive, 1.72 km. southeast of the GNIS location of Golden. 39.7489°N, 105.2083°W. WGS 1984 Elev. 1761 m. Not previously collected in or near Golden; unclear whether this Ambrosia was previously here, brought in with the soil amendment, or was a contaminant in the seed mix. DeLong Park was a private residence that was left fallow for a number of years, then converted to a city park in 2021-2022.

Collected by permit: City of Golden, 2022, issued: Mar 17, 2022, to: Tom Schweich.

Tom Schweich 2908. 18-Aug-2022

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Other photos about Species - Asteraceae or Ambrosia acanthicarpa.

 

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Date and time this page was prepared: 11/3/2024 5:39:29 PM