The type specimen was collected in Papua New Guinea, specifically in the Madang Province's Huon Peninsula, within the Finisterre Range, Yupna Valley, near Teptep village.

[3] The basidiomata (fruiting bodies) of Tremella parmeliarum are lichenicolous, growing on the thalli of species in the genus Parmotrema.

They manifest as superficial, brownish galls that are typically convex, with constricted bases and often lobed or tuberculate features, ranging from 0.4 to 4 mm in diameter.

It has been found in Europe, including Ireland and Portugal, and in Macaronesia, with records from the Azores, Canary Islands, and Madeira.

Its distribution extends to the Indian Ocean, with a presence in Madagascar, and it is found in Asia, including India and Nepal.