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.
Tansy ragwort is toxic and a threat to livestock and agriculture. All plant parts are toxic, with the highest amount of alkaloids in flowers then leaves, roots and stems.Toxic properties are a possible threat to humans through food chain contaminants.s a biennial, tansy ragwort spends the first year in the rosette stage with dark green basal leaves that appear ruffled. During the second year, one or two flowering stems form. Flower Description: Flowerheads are in flat topped clusters.