A reference-based approach for estimating leaf area and cover in the forest herbaceous layer

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Walter, C. A., Burnham, M. B., Gilliam, F. S., & Peterjohn, W. T. (2015). A reference-based approach for estimating leaf area and cover in the forest herbaceous layer. Environmental Monitoring and Assessment, 187(10). doi:10.1007/s10661-015-4878-7