Works Cited

Bromhall, Neil. “Time lapse Dandelion Flower to Seed Head.” Online video clip.
YouTube. YouTube, 6 June 2010. Web. April.1. 2105
Forbes, Stephen.”Ecology” The Humanization of Ecology 3.2 (1922): 88-92. JSTOR. Web. 1 Apr.2015
Fulford, Robert. “”The Lawn: North America’s Magnificent Obsession”” Robert Fulford’s Article “The Lawn: North America’s Magnificent Obsession” Azure, July-Aug. 1998. Web. 01 Apr. 2015.

Janzen, H. Daniel. “What are Dandelions and Aphids?” The American Naturalist 111.979 (May-Jun. 1977) : 586-589. JSTOR. web. accessed April. 1. 2015
Sharpe, William, and Leonard Wallock. “Bold New City or Built up ‘Burb? Redefining Contemporary Suburbia.” American Quarterly 46.1 (1994): 1-30. JSTOR. Web. 1 Apr. 2015. .

Introduction:
All the sources are about dandelions; from the physical property to economic effects. In order to under dandelion, we first have to understand their biology and how they work. From that we can understand their impact on the American lawns.