Parrish is a botanist and a member of the Atlantis expedition.



He and Major Evan Lorne were studying the vegetation on P3M-736. He was amazed that the vegetation on this planet was able to survive the extremely high radiation levels from the high ultraviolet index. While searching the brush he found a dead Wraith and so they returned to the Stargate. (SGA: "Runner")


Several years later, he and Dr. Kiang were escorted to the mainland of M35-117 by Lt. Colonel John Sheppard. During this trip Sheppard was taken hostage by the Sekkari artificial intelligence. (SGA: "Remnants")

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