From Pathfinder Adventure: Crown of the Kobold King, which isn't enabled.

Phantom Mold

HAZARD 2

ENVIRONMENTAL FUNGUS

Stealth +8 (expert)

Description A burst of pale gray spores sprays into the air.

Disable DC 18 Survival to remove the mold without triggering the spores

AC 15; Fort +11, Ref +5

HP 30 (BT 15); Immunities critical hits, precision

Spore Burst

Trigger The moldy books are moved or the mold takes any damage;

Effect All creatures within 10 feet of the mold patch are exposed to phantom mold spores.

Phantom Mold Spores (inhaled, poison)

Any penalties to Perception from this poison persist for 1 hour after the poison's duration ends (this effect can be removed before then by any effect that neutralizes poison);

Saving Throw DC 18 Fortitude;

Maximum Duration 4 rounds;

Stage 1 1d6 poison damage;

Stage 2 1d6 poison damage, and the victim takes a -1 status penalty on visual Perception checks as strange shadows and flittering movement appear in their peripheral vision;

Stage 3 as stage 2, but a -2 status penalty.

Pathfinder Adventure: Crown of the Kobold KingOGL