From Bulak's Book of Blurry Beings:
Lurking Lettuce
Diminutive Plant
Hit Dice: 1/4d8 (1 hp)
Initiative: +3 (Dex)
Speed: 10 ft.
AC: 17 (+4 size, +3 Dex)
Attacks: Bite +2 melee
Damage: Bite 1d2-2
Face/Reach: 1 ft. by 1 ft./0 ft.
Special Qualities: Plant traits
Saves: Fort +2, Ref +3, Will +1...