Ascomoid spores
inhaled (vegetal) - 400 gp
This powder, elaborated form mushrooms, confuses the mind.
A creature subjected to this poison must succeed on a DC 12 Constitution saving throw or be stunned for 2d4 rounds. If the saving throw fails by 5 or more, the duration increases by an extra 1d4.
Recueil des poisons d´Tapouweb