Name that plant

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Details:
  • Date Photo Taken

    07 / 21 / 2019

  • Season Photo Was Taken

    Summer

  • Region Photo Was Taken

    West

  • City

    Guffey

  • State

    Colorado

  • Posted by

    Tim Bratten

Notes:

I live at 9000′ in the mountains near Guffey, CO. We have these weeds around. My neighbor says they are Canada Thistle and wants to use herbicide to try to get rid of them. I’m not convinced these are Canada Thistle. Can you help me identify this?

Comments

  • laura735 Master Identifier says:

    Canadian thistle (Cirsium arvense). https://en.wikipedia.org/wiki/Cirsium_arvense

    July 23rd, 2019 at 12:50am

  • laura735 Master Identifier says:

    Link for thistle species of Colorado. https://summitcountyco.gov/DocumentCenter/View/11988/Thistle_brochure_good?bidId=

    July 23rd, 2019 at 12:48am

  • laura735 Master Identifier says:

    Maybe Cirsium canescens, common names include Platte thistle, Prairie thistle & Creamy thistle? According to sources, Canada thistle has pink-purple flowers. I’m not an expert of the genus and suggest you check these included links to help further. Best wishes! https://plants-animals-northeast-colorado.com/plants/plants-on-the-prairie-all-other-colors/creamy-thistle-cirsium-canescens/

    July 22nd, 2019 at 11:51pm

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