Species hailing from this system included Fluggrians, Glymphids, and immigrated Quermians.
In 29 BBY, Obi-Wan Kenobi and Anakin Skywalker pursued Norval in the Ploo system. The young man had stolen a Sith holocron and was trying to reach Ploo II, the homeworld of his mentor Murk Lundi. Kenobi boarded Norval's vessel and took the holocron after defeating the aspiring Dark Jedi in a brief lightsaber duel.
- The Complete Star Wars Encyclopedia
- The Essential Atlas
- Star Wars: Edge of the Empire Core Rulebook