Stonefly species richness vs. number of HUC8 unique locations. Simple linear regression equation and R2 provided. Names of HUC8s with greatest deviation from line-of-best-fit provided.

  
  Part of: DeWalt R, Grubbs S, Armitage B, Baumann R, Clark S, Bolton M (2016) Atlas of Ohio Aquatic Insects: Volume II, Plecoptera. Biodiversity Data Journal 4: e10723. https://doi.org/10.3897/BDJ.4.e10723