Yes, Ground Apple is toxic to dogs!
Dogs accidentally consuming the Ground Apple 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).
Ground Apple consumption is also toxic to Cats and Horses.
Toxic Principles Of Ground Apple: Volatile oil; bisabolol, chamazulene, anthemic acid, tannic acid.
More Info About The Ground Apple Plant
Scientific Name: Anthemis nobilis
Family: Asteraceae.
Also known as: Chamomile, Garden Chamomile, Roman Chamomile.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.
