Determine if the sentence is true based on the text below:
The southern Chilean "Abrothrix sanborni" is not found in southern Argentina.

Abrothrix longipilis, also known as the long-haired grass mouse or long-haired akodont, is a species of rodent in the family Cricetidae. It is found in central and southern Argentina and Chile. The southern Chilean "Abrothrix sanborni" may not be distinct from this species.
It's impossible to say