Vilmor II
Vilmor II was the uninhabited second planet in the Vilmoran system. This planet was located outside Federation territory. 

Four and a half billion years ago, the ancient humanoids seeded part of a genetic program there, but the planet was almost devoid of life as of the 24th century, as its oceans had dried up. Only one pocket of life remained: a primitive lichen growing in a fossilized seabed. A DNA sample from Vilmor II was the last fragment required to decipher the code programmed by the ancient humanoids. The Federation, Romulans, Cardassians, and Klingons traveled to Vilmor II in 2369 to obtain the DNA.

A standoff over the sample ensued, which was resolved when Dr. Beverly Crusher completed the program using partially fossilized organic material from the seabed. A message by the ancient humanoids played, revealing that all humanoid species of the galaxy have a common genetic heritage. After this revelation, the  stayed in orbit of Vilmor II for a period of time to conduct repairs on the warp engines. ()

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Vilmor 02
Memory Alpha articles named from supplementary resources