Gone Native

Others

 * Kelinda
 * Rojan
 * Tamar

Locations

 * Alpha Proxima II
 * Arvada III
 * Delta Quadrant
 * Ivor Prime
 * Milky Way Galaxy

Species

 * Romulan

States and Organizations

 * Klingon Empire
 * United Federation of Planets

Others
deuterium | galactic barrier | prefect | quadrotriticale

Canon

 * "By Any Other Name" (TOS episode)