G-13, or G13, is a strain of cannabis.
- G-13 (cannabis) at Wikipedia
- Mellow Gold: Testing the throwback super-strains of the ’70s. by Mary Romano (April 15, 2015), Willamette Week
- G13 (marijuana review) by Jake Browne (June 11, 2015), The Cannabist
- 25 Greatest Strains of All Time by Nico Escondido (October 9, 2014). Retrieved January 22, 2015.