uncommon ce large dragon plant 

Perception +18; darkvision, scent (imprecise) 60 feet

Languages Common, Draconic, Sylvan

Skills Acrobatics +18, Athletics +21, Deception +17, Intimidation +19, Nature +22, Stealth +18 (+22 in forests), Survival +16

Str +6 Dex +2 Con +5 Int +2 Wis +4 Cha +3

AC  30; Fort +21, Ref +16, Will +20

HP 195; Immunities poison, paralyzed, sleep; Weaknesses fire 5

Frightful Presence [R] (aura, emotion, fear, mental) 90 feet, DC 27. Animals, fungi, and plants take a –2 circumstance penalty to the save.

Fed by Water [R] (healing, necromancy, primal) Frequency once per hour; Trigger The forest dragon is targeted with a water spell or effect; Effect The forest dragon gains 30 temporary Hit Points.

Speed 40 feet, fly 100 feet; woodland stride

Melee [>] jaws +23 (reach 10 feet), Damage 2d10+12 piercing plus 1d6 poison

Melee [>] claw +23 (agile), Damage 2d8+12 slashing plus Grab

Melee [>] tail +23 (reach 20 feet), Damage 2d8+12 bludgeoning plus Grab

Primal Innate Spells DC 29; 3rd fear (animals, fungi, and plants only); 2nd entangle; Cantrips (2nd) know direction; Constant (1st) pass without trace (forest terrain only)

Breath Weapon [>>] (evocation, primal) The dragon unleashes a swarm of insects that deals 10d6 piercing damage in a 30-foot cone (DC 29 basic Reflex save) before dispersing. A creature that critically fails is stunned 2 from the insects' venom; this is a poison effect. The dragon can't use Breath Weapon again for 1d4 rounds.

Coiling Frenzy [>>] The dragon makes one claw Strike and one tail Strike in either order, each against the same target. If either Strike hits, the dragon automatically Grabs the target.

Constrict [>] 2d8+8 bludgeoning, DC 29

Draconic Momentum The dragon recharges their Breath Weapon whenever they score a critical hit with a Strike.

Woodland Stride The forest dragon ignores difficult terrain and greater difficult terrain from non-magical foliage.

Bestiary 3, page 74.