Marcus E. Jones collected botanical specimens in the United States and Mexico. Jones grew up in Grinnell, Iowa, and studied at Grinnell College. Jones worked as a mining engineer, but also collected plants throughout the western United States. Jones founded the journal Contributions to Western Botany. He collected approximately 100,000 specimens in his personal herbarium which was bought by Pomona College in 1923. Jonesiella Rydb. (Fabaceae genus) is named for him.
Source:
Harvard University Herbarium Index of Botanists. ASA Botanist ID: 100591 botanist. Retrieved March 23, 2012.
Jones, Marcus Eugene (1852-1934). In JStor Plant Science. Retrieved March 23, 2012 from http://plants.jstor.org/person/bm000004134.