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


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  Asteraceae Ambrosia acanthicarpa
Photographed 22 December 2022.

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

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. 39.7489N, 105.2083W. 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

Article records that use this photograph:

Other photos about Species - Asteraceae or Ambrosia acanthicarpa.


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Date and time this page was prepared: 7/13/2024 8:18:19 AM