n medium fungus mindless 

Perception +8; low-light vision, tremorsense (imprecise) 30 feet

Skills Athletics +13, Stealth +13

Str +4 Dex +4 Con +4 Int -5 Wis +1 Cha -3

AC  22; Fort +13, Ref +11, Will +12

HP 80; Immunities cold, mental; Weaknesses slashing 5

Cold Lethargy Although a basidirond is immune to cold damage, any effect that deals cold damage causes it to become slowed 1 for 1d4 rounds. During this time, it cannot use its Hallucinogenic Cloud or basidirond spores.

Speed 20 feet

Melee [>] frond +15, Damage 2d8+6 bludgeoning plus basidirond spores

Basidirond Spores (disease) Saving Throw DC 22 Fortitude; Maximum Duration 6 rounds; Stage 1 1d8 poison damage and enfeebled 1 (1 round); Stage 2 1d10 poison damage and enfeebled 1 (1 round); Stage 3 1d12 poison damage and enfeebled 2 (1 round)

Hallucinogenic Cloud [>>] (incapacitation, poison, mental) The basidirond releases a cloud of invisible spores in a 20-foot emanation. Each creature in the area must succeed at a DC 22 Fortitude save or experience powerful hallucinations as long as it remains in the cloud, plus an additional 1d4 rounds after leaving the area. A creature must attempt a new save each round it remains within the area. The cloud persists for 5 rounds unless dispersed before then by a strong wind. Each hallucinating creature rolls 1d6 each round to determine what it hallucinates that round. 1 The target is sinking in quicksand. It falls prone and spends 1 action on its next turn flailing its limbs as if attempting to swim. 2 The target is attacked by a swarm of spiders. It spends 2 actions on its next turn attacking the floor with a melee weapon (drawing a weapon if needed). It is flat-footed against all attacks. 3 An item the target is holding turns into a viper. The target Releases the item and spends its next turn fleeing from it. 4 The target is suffocating. It holds its breath and is stunned 3. 5 The target shrinks to 1/10 its normal size. For 1 round it is slowed 2 and enfeebled 4, and takes a –10-foot status penalty to its Speed. 6 The target is melting. It drops everything it's holding and becomes slowed 2 and clumsy 4 for 1 round.

Bestiary 2, page 34. Expanded in LOIL.