Similar to Monstera Deliciosa above, all varieties of philodendrons are poisonous to canine.
That features widespread houseplants like heartleaf philodendron, Pink Princess philodendron, Moonlight philodendron, Micans philodendron, Brasil philodendron, and Birkin.
They include insoluble calcium oxalates which may trigger oral irritation, vomiting, and extreme drooling.