New vehicle fuel efficiency (based on model year production) and CAFE standards: U.S. Department of Transportation, National Highway Traffic Safety Administration, Summary of Fuel Economy Performance (Washington, DC: Annual Issues), available at http://www.nhtsa.gov/fuel-economy as of Mar. 3, 2016.
Thorns. Though the berries are the most toxic portion of the foxtail fern, the plant itself is dangerous for animals to eat because of its spiky, thorny structure. Its thorns and spiky leaves can scape the inside of an animals mouth and throat.ymptoms if Ingested. Though the berries are more poisonous than the plant itself, neither should be ingested by an animal. Common symptoms after ingesting foxtail fern include diarrhea, vomiting, and abdominal pain.
For example, a foxtail within the ear canal causes head shaking, under the skin a draining tract, or within the lung, labored breathing and coughing. Not only is the dogâs body incapable of degrading or decomposing foxtails, these plant awns are barbed in such a way that they can only move in a âforwardâ direction.f you suspect your dog has a foxtail-related issue, contact your veterinarian right away to find out what steps can be taken (at home or in the veterinary hospital) to rid your dog of this unwanted plant material.