Pampas grass is known by the botanical name Cortaderia selloana. According to the University of Arkansas, Division of Agriculture, pampas grass is not known to cause symptoms of plant poisoning if ingested by humans. However, any plant can cause allergic reactions or other adverse effects if ingested.Choking is a concern with plant ingestion, especially in children.ccording to the University of Arkansas, Division of Agriculture, pampas grass is not known to cause symptoms of plant poisoning if ingested by humans. However, any plant can cause allergic reactions or other adverse effects if ingested.
Fujita scale. The Fujita scale, or FujitaâPearson scale, is a scale for rating tornado intensity, based primarily on the damage tornadoes inflict on human-built structures and vegetation.
Fig 1 (right). Design of the Fujita tornado intensity scale, beween the inadequate Beaufort scale and the speed of sound (Source: T.T. Fujita). In 1971 Tetsuya Theodore Fujita, a professor at the University of Chicago, came up with a system to rank tornadoes according to how much damage they cause.