About Somatochlora williamsoni Walker, 1907
Somatochlora williamsoni, commonly known as Williamson's emerald, is a species of emerald dragonfly belonging to the Corduliidae family. This species is found in North America. The International Union for Conservation of Nature has assessed Somatochlora williamsoni as "LC", or least concern, meaning there are no immediate threats to the species' survival. Its population is currently stable.