Jungle planets were planets "far in the future" of 2020. According to the Eleventh Doctor, bio-programming was used in engineering and construction relating to jungle planets. Nasreen Chaudhry had no clue what he was on about. (TV: The Hungry Earth)
Jungloria was a jungle planet. The Eleventh Doctor once thought that he had landed there before finding out he was actually in Kent. (COMIC: The Dalek Project)
Magella was a jungle planet. (PROSE: Birth of a Legend)
Some of the Propheetis survived on a jungle planet after they were nearly destroyed in the battle of the Cran Movement. (COMIC: New and Improved)
Goron IV was a jungle planet. (PROSE: The Door into Bedlam)
In John Smith's story The Old Man and the Police Box, Gallifrey had been a jungle planet prior to the Old Man arriving and introducing civilisation to it. (PROSE: Human Nature)
Spiridon was a jungle planet. (TV: Planet of the Daleks)
The Twelfth Doctor and Clara Oswald once explored a jungle planet. While the Doctor complained about how boring he found it, Clara stumbled upon the Museum of Terrible Fates, unwittingly stumbling into a Voord trap. (COMIC: Four Doctors)