starthistle

One of the most invasive exotics in the western United States, the yellow starthistle, is successful both at "invasion" in non-native areas and "colonization" in native ones.

Science 2006

Spotted knapweed, also known as starthistle, was introduced in the U.S. from Europe in the late 1800s.

Will Killing This Invasive Plant Harm Bees? AP 2010

Spotted knapweed, also known as starthistle, was introduced in the U.S. from Europe in the late 1800s.

Will Killing This Invasive Plant Harm Bees? AP 2010

However, new research from an international team of researchers finds that a disturbance -- such as fire or grazing -- actually increased the success of yellow starthistle far more in non-native than in its home regions.

Science 2006

When exposed to increased carbon dioxide, precipitation, nitrogen and temperature--all expected results of climate change--yellow starthistle in some cases grow to six times its normal size while the other grassland species remained relatively unchanged.

digg.com: Top News Digg 2011

Through the years I have written about various noxious weeds, including tall whitetop, knapweeds, Canada thistle, yellow starthistle, hoary cress and puncturevine.

The Record-Courier - Top Stories JoAnne Skelly 2010

Purple starthistle is considered an aggressive invasive weed species.

Random feeds from Syndic8.com 2010

Removed from the list this year was field bindweed and yellow starthistle.

Minot Daily News 2010

Removed from the list this year was field bindweed and yellow starthistle.

Minot Daily News 2010

Then they compared predicted changes in precipitation and temperature with the most hospitable conditions for five of the West's most obnoxious noxious plants: cheatgrass, spotted knapweed, yellow starthistle, tamarisk and leafy spurge.

RGJ.com - Latest News 2009