Marcus Eugene Jones (April 25, 1852 – June 3, 1934) was an American

geologist A geologist is a scientist who studies the structure, composition, and History of Earth, history of Earth. Geologists incorporate techniques from physics, chemistry, biology, mathematics, and geography to perform research in the Field research, ...

mining engineer Mining engineering is the extraction of minerals from the ground. It is associated with many other disciplines, such as mineral processing, exploration, excavation, geology, metallurgy, geotechnical engineering and surveying. A mining engineer m ...

and

botanist Botany, also called plant science, is the branch of natural science and biology studying plants, especially Plant anatomy, their anatomy, Plant taxonomy, taxonomy, and Plant ecology, ecology. A botanist or plant scientist is a scientist who s ...

. Throughout his career he was known for being an educator, scientist and minister. As an early explorer of the

western United States The Western United States (also called the American West, the Western States, the Far West, the Western territories, and the West) is List of regions of the United States, census regions United States Census Bureau. As American settlement i ...

, he is known as the

authority Authority is commonly understood as the legitimate power of a person or group of other people. In a civil state, ''authority'' may be practiced by legislative, executive, and judicial branches of government,''The New Fontana Dictionary of M ...

for numerous

vascular plant Vascular plants (), also called tracheophytes (, ) or collectively tracheophyta (; ), are plants that have lignin, lignified tissues (the xylem) for conducting water and minerals throughout the plant. They also have a specialized non-lignified Ti ...

s. Much of his career was spent self-employed in

Salt Lake City Salt Lake City, often shortened to Salt Lake or SLC, is the capital and most populous city of the U.S. state of Utah. It is the county seat of Salt Lake County, the most populous county in the state. The city is the core of the Salt Lake Ci ...

, Utah. He edited and distributed several specimen series which resemble

exsiccatae Exsiccata (Latin, ''gen.'' -ae, ''plur.'' -ae) is a work with "published, uniform, numbered set of preserved specimens distributed with printed labels". Typically, exsiccatae are numbered collections of dried herbarium specimens or preserved bio ...

, among them one with the title ''Flora of California. Collected by Marcus E. Jones, A. M.'' and another with the title ''Flora of Colorado. Collected by Marcus E. Jones, A. M.''. After the death of his wife in 1915, he sold his herbarium and library to Pomona College. In 1923, he continued botanical work after moving to

Claremont, California Claremont () is a suburban city in eastern Los Angeles County, California, United States, east of Los Angeles. It lies in the Pomona Valley at the foothills of the San Gabriel Mountains. As of the 2010 United States Census, 2010 census it had ...

Childhood

Marcus Eugene Jones was born in

Jefferson, Ohio Jefferson is a village in Ashtabula County, Ohio, United States, and its county seat. The population was 3,226 at the 2020 census. It is part of the Ashtabula micropolitan area, northeast of Cleveland. Modern-day Jefferson sports the world' ...

Major revisions

One of Jones' most notable accomplishments was his self-published revision of the North American species of ''

Astragalus Astragalus may refer to: * ''Astragalus'' (plant), a large genus of herbs and small shrubs *Astragalus (bone) The talus (; Latin for ankle or ankle bone; : tali), talus bone, astragalus (), or ankle bone is one of the group of foot bones known ...

''.

References

External links

The Marcus E Jones archive held at the Rancho Santa Ana Botanic Garden
{{DEFAULTSORT:Jones, Marcus E. American geologists 1852 births 1934 deaths Botanists active in North America People from Claremont, California Scientists from Salt Lake City Scientists from California 19th-century American botanists 20th-century American botanists People from Jefferson, Ohio