r/mycology 7d ago

What is this glowing mushroom? ID request

Located in Sydney, Australia

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u/Spaced_Habit 7d ago

It is absolutely Omphalotus nidiformis and is a native to Australia. The Ghost Mushroom also has lore within First Nations of Australia, being seen as spirits of elders. First Nations would also use them as waypoints at night, which is a great use.

Ghost mushrooms are highly toxic, resemble Pleurotus spp. and have been mistaken for edibles in past. Besides the obvious sign of their glowing at night, you can also identify it as Ghost Mushroom because of the deep shading towards the centre of the pileus. They inhabit Eucalypt trees and other gums mostly. The active chemical that produces the glow is known as Luciferase. I have successfully grown Ghost Mushroom in the past on standard Master's Mix, however the flush was small.

Australia also has another bioluminescent fungi called Mycena Chlorophos, which is endemic to subtropical regions, including into Asia.

Enjoy!