Umpqua chub (Oregonichthys kalawatseti) status data created for the Western Division of the American Fisheries Society (WDAFS)
Simon, D.C. and Markle, D.F., 1999. Evidence of a relationship between smallmouth bass (Micropterus dolomeiu) and decline of Umpqua chub (Oregonichthys kalawatseti) in the Umpqua basin, Oregon. Northwestern Naturalist, 80: 110-113.
Markle, D.F., Pearsons, T.N. and Bills, D.T., 1991. Natural history of Oregonichthys (Pisces: Cyprinidae), with a description of a new species from the Umpqua River of Oregon. Copeia 1991: 277-293.
Ardren, W.R., Amata, L., Whelan, J. and Dehaan, P.W., 2007. Characterization of 16 highly variable tetranucleotide microsatellite loci for Oregon chub (Oregonichthys crameri) and cross amplification in Umpqua chub (O. kalawatseti). Molecular Ecology Notes, 7: 808-810.
Penaluna, B.E. and Ellenburg, L., 2019. REOCCURRENCE OF THE UMPQUA CHUB (OREGONICHTHYS KALAWATSETI) IN THE NORTH UMPQUA AFTER ALMOST A CENTURY. Northwestern Naturalist 100: 208-210.