[unable to retrieve full-text content]A vast majority of temperate forest trees don?t have taproots or even very deep roots, experts say. The roots usually expand horizontally, forming a flat mass.
Source: http://www.nytimes.com/2012/12/18/science/why-are-roots-so-shallow-on-trees-felled-by-storms.html?partner=rss&emc=rss
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