What parts of the poison oak plant contain the oil that causes irritation.
All parts
What is California's state fish?
Garibaldi

Cacti have this kind of barb, making them painful to remove.
reverse barbs
What is California's state bird?
(California) Quail
When mature, the berries of this poisonous plant are dark purple or black. It resembles a potato plant.
Nightshade (Nightshade and potatoes are in the same family of flowering plants)
A subspecies of elk that is only found in California. It's endangered and its habitat ranges from grasslands to the marshlands of Central Valley
Tule elk
A poisonous plant found commonly along stream banks, on the edges of wet meadows, and in shaded moist waste environments. It possesses many small, bristly, stinging hairs.
Stinging Nettles
A near-throated species of bird that is found in California’s San Francisco Bay to southern Baja California.
Ridgway's rail bird
The sap from these trendy houseplants can irritate your skin and mouth, resulting in throat swelling, breathing difficulties, burning pain, and stomach upset
What are Philodendrons