Marshall Conring Johnston (born May 10, 1930) is an American botanist who made several explorations in Mexico and specialized in plants in the family

Gesneriaceae Gesneriaceae, the gesneriad family, is a family (biology), family of flowering plants consisting of about 152 genera and ca. 3,540 species in the tropics and subtropics of the Old World (almost all Didymocarpoideae) and the New World (most Ges ...

. Johnston was born in

San Antonio San Antonio ( ; Spanish for " Saint Anthony") is a city in the U.S. state of Texas and the most populous city in Greater San Antonio. San Antonio is the third-largest metropolitan area in Texas and the 24th-largest metropolitan area in the ...

in the family of Theodore Harris Johnston and Lucile Mary Conring. He went on his first botanical expeditions to Mexico while still in high school during 1945-1947. On those trips he visited the northern Mexican states of

Tamaulipas Tamaulipas, officially the Free and Sovereign State of Tamaulipas, is a state in Mexico; one of the 31 states which, along with Mexico City, comprise the 32 federal entities of Mexico. It is divided into 43 municipalities. It is located in nor ...

Nuevo Leon Nuevo is the Spanish word for "new". It may refer to: * Nuevology, California, a town in California, United States * Nuevo (band), featuring singer and musician Peter Godwin * Nuevo (Bayamón), a settlement in Puerto Rico * "Nuevo", Spanish-langu ...

Coahuila Coahuila, formally Coahuila de Zaragoza, officially the Free and Sovereign State of Coahuila de Zaragoza, is one of the 31 states of Mexico. The largest city and State Capital is the city of Saltillo; the second largest is Torreón and the thi ...

Durango Durango, officially the Free and Sovereign State of Durango, is one of the 31 states which make up the Political divisions of Mexico, 32 Federal Entities of Mexico, situated in the northwest portion of the country. With a population of 1,832,650 ...

, and

Zacatecas Zacatecas, officially the Free and Sovereign State of Zacatecas, is one of the Political divisions of Mexico, 31 states of Mexico. It is divided into Municipalities of Zacatecas, 58 municipalities and its capital city is Zacatecas City, Zacatec ...

. From 1972-1974 he made trips to Chihuahua, concentrating on desert flora. These early 1970s trips resulted in the bulk of his botanic collection. Marshal participated in the creation of the books ''Flora of Texas'', ''Flora of North America'', and ''Flora Neotropica''. Johnston was also a professor at the

University of Texas at Austin The University of Texas at Austin (UT Austin, UT, or Texas) is a public university, public research university in Austin, Texas, United States. Founded in 1883, it is the flagship institution of the University of Texas System. With 53,082 stud ...

Plant namesakes

* '' Marshalljohnstonia'' (genus), Henrickson, 1976 * '' Colubrina johnstonii'', T.Wendt, 1983 * '' Crataegus johnstonii'', J.B.Phipps, 1997 * '' Euphorbia johnstonii'', Mayfield, 1991 * '' Frankenia johnstonii'', Correll, 1966 * ''

Hedeoma johnstonii ''Hedeoma'' is a genus of flowering plants in the mint family, Lamiaceae. It is native to North and South America. They are commonly known as false pennyroyals. The genus name is derived from the Greek words ἡδύς (''hedys''), meaning "swee ...

'', R.S.Irving, 1977 * '' Karwinskia johnstonii'', R.Fernández, 1988 * '' Matelea johnstonii'', Shinners, 1964 * '' Nerisyrenia johnstonii'', J.D.Bacon, 1978 * '' Phacelia marshall-johnstonii'', N.D.Atwood & Pinkava, 1977 * ''

Portulaca johnstonii ''Portulaca'' () is a genus of flowering plants in the family Portulacaceae, and is the type genus of the family. With over 100 species, it is found in the tropics and warm temperate regions. Portulacas are also known as the purslanes. Common p ...

'', Henrickson, 1981 * '' Johnstonalia'', Tortosa, 2006

Works

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References

External links

{{DEFAULTSORT:Johnston, Marshall Conring 21st-century American botanists 1930 births Living people Scientists from San Antonio University of Texas at Austin people