pf2e.fyi
From Pathfinder #154: Siege of the Dinosaurs, which isn't enabled.

Spore Sap

ITEM 11
Price 1250 gp
Usage held in 1 hand
Bulk L
Category martial
Group club
Damage 1d6 bludgeoning

This flexible +2 striking sap is crafted from the stalks of cave fungi and bound around a mesh of spore-infused gills. Demon-worshipping xulgaths use spore saps to capture spellcasters alive for later sacrifice.

Activate Interact (poison)
Frequency three times per day
Trigger You successfully Strike a creature with the spore sap

Effect The spore sap releases a puff of stupefying fungal spores. The target must succeed at a DC 28 Fortitude or become stupefied 1 for 1 minute (Stupefied 2 on a critical failure).
Pathfinder #154: Siege of the DinosaursOGL