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Re: Fw: Unwanted plant in yard

The USDA site says it is a native... Does this mean that it came with  
Columbus (or in the 1500s), and so we assume it was native?

Cathy, west central IL, z5b

On Nov 11, 2006, at 2:31 PM, pdickson wrote:

> Re: Unwanted plant in yardI wanted to share this info on what might  
> be the
> unidentified weed... this is the weed that I was thinking it might  
> have been.
> I have had it and thought it was a cosmos and regretted not pulling  
> it up.
> Tricia
> I believe this weed is Bidens bipinnata. It originated in Europe  
> and Eurasia
> and has spread over the world as a cosmopolitan weed. It has many  
> common
> names, two of which are Spanish Blackjack and Spanish Needles.

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