- ↑ Grubbs (2006) Soyedina alexandria and S. calcarea (Plecoptera: Nemouridae), new stonefly species from the eastern Nearctic region and notes on the life cycle of S. calcarea. ., Illiesia: International Journal of Stonefly Research (Illiesia) 2(6):39-49
- ↑ 2.0 2.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ PlecopteraSF: Plecoptera Species File. DeWalt R.E.; New-Becker U. & Stueber G., 14 Abril 2010