Thomas Robert Soderstrom in July 1986. A collaborator of his was Cleofé E. Calderón (1929–2007), the Argentinian-born agrostologist. He is commemorated in "Soderstromia", "Ilex soderstromii", "Anthurium soderstromii", "Lessingianthus soderstromii", "Vriesea soderstromii", "Ouratea soderstromii", "Cryptochloa soderstromii", "Ocellochloa soderstromii", "Poa soderstromii", "Raddia soderstromii". Thomas Robert Soderstrom Thomas Robert Soderstrom (9 January 1936 Chicago – 1 September 1987) was an American agrostologist His special field of study was the grass family Gramineae or Poaceae. He was Curator of Grasses at the National Museum of Natural History in Washington, DC for some twenty years. In 1957 Soderstrom graduated from the University of Illinois with a BSc in
Nonpathogenic organisms Nonpathogenic organisms Nonpathogenic organisms are those that do not cause disease, harm or death to another organism and is usually used to describe bacteria. It describes a property of a bacterium - its ability to cause disease. Most bacteria are nonpathogenic. It can describe the presence of non-disease causing bacteria that normally reside on the surface of vertebrates and invertebrates as commensals. Some nonpathogenic microorganisms are commensals on and inside the body of animals and are called microbiota. Some of these same nonpathogenic microorganisms have the potential of causing disease, or being pathogenic if they enter the body, multiply and