From publisher description:
What's better than mushroom people? I'll tell you what, highly toxic, telepathic mushroom people!
Of Mushroom Men presents an all-new subterranean mushroom people race, The Agarid!
Inside you will find:
The agarid monster race, with 2 feats for enhanced telepathy.
2 pre-constructed agarid NPCs: the selfless Agarid Guard, and the self-serving Aragrid Mage
The Agarid Worker: the workhorse of the agarid colony, with rules for using mining tools as weapons.
The Agarid Mauler: the 8-foot-tall enforcer of the agarid defense forces.
The Agarid Spore Queen: the poisonous spore spewing ruler of the agarid.
The Agarid Juggernaut: unstoppable monster of mushroom might!
All the mushroom people you could even need, with CRs ranging from 1/2 to 10.