Eriophyllum multicaule inflorescences at the ends of the stems are clusters of tiny flower heads, each bright golden yellow with a center of 10-20 disc florets surrounded by 5-7 ray florets each about two millimeters (0.08 inches) long. Eriophyllum multicaule Eriophyllum multicaule is a North American flowering plant in the daisy family, known by the common name manystem woolly sunflower. It is native to California and Arizona in the southwestern United States. "Eriophyllum multicaule" grows in chaparral habitat, especially along the California coast. This is a small, branching, clump-forming annual herb rarely more than 15 cm (6 inches) tall. It has fleshy
Standard person patients to radiation. According to the International Commission on Radiological Protection's 1974 definition, “Reference man is defined as being between 20-30 years of age, weighing 70 kg, is 170 cm in height, and lives in a climate with an average temperature of from 10°C to 20°C. He is a Caucasian and is a Western European or North American in habitat and custom.” Standard person The standard person or reference person is a theoretical individual that has perfectly "normal" characteristics. This model is used for much research into radiation safety. For many years, the standard person was called reference man because