Taxonomy
The epithet trivirgata refers to the distinct three stripes that are characteristic of the species. The Rosy Boa is considered to be the only species within the genus Lichanura, but one researcher has placed it in the genus Charina with the Rubber Boa. Newer phylogenetic research supports the original arrangement but herpetologists are still not unified on Rosy Boa taxonomy. The subspecific designations are just as uncertain with many sources not accepting "arizonae" or "saslowi"
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