They are found on forest undergrowth, and some are on
dead tree trunks, like shown in the photo below:
The hardy black fungus, looks like "Ling Zhi"
The tiny fungi, like those sea shell, with bright brown color shown below, on a live tree trunk.
Another big mushroom found on undergrowth, it is white and looks like editable. :)
All photos taken during a walk along the MacRitchie Reservoir Nature Trail in Singapore.