Aquatic and terrestrial invertebrate density and biomass datasets at genus and family taxonomic levels. This dataset is associated with the following publication: Fritz, K., R. Kashuba, G. Pond, J. Christensen, L. Alexander, B.J. Washington, B. Johnson, D. Walters, W. Thoeny, and P. Weaver. Identifying invertebrate indicators for streamflow duration assessments in forested headwater streams. Freshwater Science. The Society for Freshwater Science, Springfield, IL, 42(3): 247-267, (2023).