Biblio
“Influence of invasion of perennial pepperweed on soil properties”, Management of Perennial Pepperweed (Tall Whitetop). Special Report, vol. 972, pp. 11–13, 1997.
, “Mowing Wyoming Big Sagebrush Communities With Degraded Herbaceous Understories: Has a Threshold Been Crossed?”, Rangeland Ecology & Management, vol. 65, no. 5, pp. 498 - 505, 2012.
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