| George Everett Osterhout | |
| Birth Date: | 31 March 1858 |
| Birth Place: | Tunkhannock, Pennsylvania |
| Death Place: | Windsor, Colorado |
| Citizenship: | United States |
| Fields: | Botany |
| Alma Mater: | Lafayette College |
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| Thesis1 Year: | and |
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| Known For: | Field botany, plant taxonomy |
| Author Abbrev Bot: | Osterh. |
| Spouse: | Etta Thomas |
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George Everett Osterhout (March 31, 1858 – April 2, 1937) was an American businessman and botanist. A Pennsylvania native, he later moved to Colorado and became known for his research into the flora of the Rocky Mountains.
Born in Tunkhannock, Pennsylvania, he later went to Easton, Pennsylvania, where he graduated from Lafayette College. After graduation he undertook studies in the law, and was admitted to the Pennsylvania bar.
In 1885, at age 27, he moved to Windsor, Colorado, either in search of better health, wrote Aven Nelson,[1] or to pursue a strong desire to study Rocky Mountain plants, inspired by one of his college professors, according to Roger Lawrence Williams.[2] He established a lumber business in Windsor, and resided there for the rest of his life, "where he was known as a successful business man, a kindly neighbor, a philanthropic Christian, a scientist of more than local renown."[1] His strong avocation, collecting native plants of the Rocky Mountain region, began in 1893.[2] [3] He consulted with professional botanists, especially Aven Nelson of the University of Wyoming, and Per Axel Rydberg.[4]
His personal herbarium grew to over 20,000 specimen sheets. Of these, 8,330 were of his own collections, and described by Roger Lawrence Williams as "testimony to leisure time arduously spent."[5] The others Osterhout acquired via trading or purchase. Upon his death, all of his sheets were bequeathed to the Rocky Mountain Herbarium.[5] [6]
According to IPNI,[7] his botanical author abbreviation, Osterh., is associated with 237 plant names or historical variations theron. His nomenclatural efforts appear within his 44 publications, as listed by Roger Williams,[2] which also includes two essays on Rocky Mountain botanizing, one a commemoration of the 100th anniversary of the first major botanical exploration of the Rocky Mountains in 1820 (as described in an account by Edwin James).
According to ITIS [8] these five plants are named in honor of George E. Osterhout: