- This page details Palgrenax (planet) in the mirror universe; for the Palgrenax (planet) in the primary universe see Palgrenax (planet).
- For other uses, see Palgrenax.
In the mirror universe, Palgrenax was a planet located in the galaxy's Alpha or Beta Quadrants, in the Palgrenax star system of the Taurus Reach.
In the year 2277, Commodore Diego Reyes forced the Shedai Wanderer to destroy the planet in order to show the Klingons the power of the Shedai. (Mirror Universe short story: "The Black Flag")