Mutant Cave Fungus

The  is a consumable item in the Fallout: New Vegas add-on Old World Blues.

Characteristics
Unlike normal Cave fungus, Mutant Cave fungus adds radiation when consumed and has an appropriate green glow. This item is needed to create Nightstalker squeezin's and Battle Brew.

Locations
This is a list of fixed non-random places where you can find.
 * Mysterious Cave (Around 20)
 * Big MT North Tunnel (Sonic Emitter EM required)