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.
Foxtail â Toxic Plant of the Week. The seed awns of this plant are barbed and can be fatal to equines. Image from emrid_cicada. Itâs another week and well into plant season, here is todayâs plant your horse canât eat.Todayâs plant grows all over and looks very unassuming, but while Foxtails are a common sight, they are incredibly dangerous little buggers!his plant is a high concern in areas where it grows, they are abundant and highly problematic. The seed awns have small barbs and easily stick to fur and skin where they start to bury themselves. From the extremities barbs can work their way into the bloodstream and subsequently the heart.