Tag Archives: Mayweed

#NPOD: Pineapple Weed #Nativeplants

Pineapple Weed – Native Plant of the Day 12/31/2017
Matricaria discoidea is native to several northwestern states, but is introduced in most of the rest of its current range.
Photo from May 28, 2012.  Location: Hell’s Canyon, Adams County, ID.
More photos / info at the Matricaria discoidea detail page.

Pineapple Weed - Matricaria discoidea

Pineapple Weed – Matricaria discoidea

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Pineapple Weed – Matricaria discoidea – Added to USWildflowers’ Database

Pineapple Weed, a species native to the Pacific Northwest, but naturalized in much of the rest of the United States, has been added to the USWildflowers database (03/27/2013.) Scientific name is Matricaria discoidea.  It  is also known by the common names Wild Chamomile, Rayless Chamomile, and Disc Mayweed.  Photo below was taken in the Hell’s Canyon Park in Adams County, ID on May 28, 2013.   Go to the Pineapple Weed detail page for more photos and information.

Pineapple Weed, Wild Chamomile, Rayless Chamomile, Disc Mayweed - Matricaria discoidea

Pineapple Weed, Wild Chamomile, Rayless Chamomile, Disc Mayweed – Matricaria discoidea

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Mayweed

USWildflowers Daily Plant 12/12/2012

Photo from 6/18/2005. Location: Great Smoky Mountains National Park

Yes, the blossom looks like a Daisy (Leucanthemum vulgare), which is how I originally identified it back in 2005.  However, it is Mayweed, an introduced and possibly invasive species.  For more  information go to the Anthemis cotula detail page.

Mayweed, Stinking Chamomile - Anthemis cotula

Mayweed, Stinking Chamomile – Anthemis cotula

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