Shawn R. Kuchta (2007). "Contact zones and species limits: hybridization between lineages of the California Newt, Taricha torosa, in the southern Sierra Nevada". Herpetologica. 63 (3): 332–350. doi:10.1655/0018-0831(2007)63[332:CZASLH]2.0.CO;2.
Seth C. Gamradt; Lee B. Kats (1996). "Effect of Introduced Crayfish and Mosquitofish on California Newts". Conservation Biology. 10 (4): 1155–1162. doi:10.1046/j.1523-1739.1996.10041155.x.