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.
About Foxtail Ferns. Foxtail ferns are not really ferns, as theyâre multiplied from seeds and produce no spores. The common name likely came from the clumping habit of the plant that is similar to that of a fern. Foxtail asparagus ferns have an unusual, symmetrical look.bout Foxtail Ferns. Foxtail ferns are not really ferns, as theyâre multiplied from seeds and produce no spores. The common name likely came from the clumping habit of the plant that is similar to that of a fern. Foxtail asparagus ferns have an unusual, symmetrical look.