Yes, Philodendron Pertusum is toxic to dogs!
Dogs accidentally consuming the Philodendron Pertusum plants can show the following clinical symptoms: Vomiting, Prolonged Depression, Incoordination, Hypersalivaton, Sleepiness Or Excitation, Dilated Pupils, Low Body Temperature, Low Blood Pressure, Coma, Seizure And Death (In Rare Cases).
Philodendron Pertusum consumption is also toxic to Cats and Horses.
Toxic Principles Of Philodendron Pertusum: Insoluble calcium oxalates.
More Info About The Philodendron Pertusum Plant
Scientific Name: Philodendron spp
Family: Araceae.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.