Datasets to develop and validate the genus-level, trait-based multimetric diatom indices for assessing the ecological condition of river and stream across the conterminous United States
Data is from National Aquatic Resource Surveys. 

This dataset is associated with the following publication:
Riato, L., R. Hill, A. Herlihy, D. Peck, P. Kaufmann, J. Stoddard, and S. Paulsen. Genus-level, trait-based multimetric diatom indices for assessing the ecological condition of river and stream across the …