The state amphibian of Louisiana is the green tree frog. The amphibian was chosen as the state amphibian in 1993.
There are four states with a salamander as their state amphibian - Alabama, Kansas, South Carolina, and Tennessee. They all have different versions of the salamander, though. Alabama has the Red Hills Salamander, Kansas has the Barred Tiger Salamander, South Carolina has the Spotted Salamander, and Tennessee has the Cave Salamander as a representative.
The state of California currently does not have a state amphibian.
Kentucky currently does not have a state amphibian.
No, Mississippi does not have an official state amphibian.
No, Oregon does not currently have a state amphibian.
The North American Bullfrog is the state amphibian of Missouri.
The Eastern Tiger Salamander is the state amphibian of Illinois.
The state amphibian of New Mexico is the New Mexico Spadefoot Toad.
Maryland does not have (at this present time) a state amphibian.
The Pacific Chorus Frog is the state amphibian of Washington.
Not all states have a state amphibian. Hawaii is one of them.