Kudzu, Pueraria Montana (Lour.) Merr. Abundance and Distribution in Oklahoma

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Marli Claytor
Karen R. Hickman

Abstract

Invasive species are a growing problem in the United States, and kudzu (Pueraria montana) (Lour.) Merr. is one of the most well documented invaders of southeastern states. Documenting the invasion of kudzu in Oklahoma, however, has not been a targeted focus in previous studies; thus, maps of its occurrence differ among sources. Our primary objective was to locate and confirm the presence of kudzu throughout Oklahoma. Specifically, we attempted to confirm previously recorded populations of kudzu and estimate the extent of the invasion at those sites. In addition, we wanted to locate stands of kudzu within Oklahoma that had not been recorded and to assess the extent of invasion. A survey was sent to state and county officials to acquire information on locations and general knowledge of kudzu. Points of occurrence and estimated extent of invasion in hectares were then placed in ArcMap programming to create a consolidated map of kudzu. Samples were collected, pressed, and placed in the University of Oklahoma’s Bebb Herbarium (OKL). We determined the majority of kudzu locations are in the southeastern portion of the state and total a minimum of 32.4 hectares. Results of the survey indicated half of the respondents polled were unaware of kudzu’s presence in the state.

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Articles
Author Biographies

Marli Claytor, Oklahoma State University and the Oklahoma Native Plant Society

Natural Resource Ecology and Management

Karen R. Hickman, Oklahoma State University and the Oklahoma Native Plant Society

Natural Resource Ecology and Management