how do truffles spread their spores?

How does a fungus that fruits underground manage to disperse its spores? Apparently through being eaten by voles, and left in their droppings; furthermore through being eaten by voles who are eaten by owls, and spat out as owl pellets far afield.

cilantro-humus salad dressing or toilet water, earthworm Flatland

Digging out old cilantro, I couldn't stop pausing to breathe in. The odor of warm earth and the sharper green cilantro smell from torn rootlets blend so naturally that cilantro alone will be a letdown. The two want to be combined.

The old cilantro pot was sitting on concrete. Under it was a bare two millimeters of dirt that had sifted down, and in the dirt two earthworms of stunted Weltanschauung.